[ 10.035907][ T187] ip (187) used greatest stack depth: 23824 bytes left [ 10.035927][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.035929][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 10.035931][ T187] preempt_count: 2, expected: 0 [ 10.035932][ T187] RCU nest depth: 0, expected: 0 [ 10.035933][ T187] locks held by ip/187: 5, last CPU#2: [ 10.035936][ T187] #0: ffffffff974027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.035950][ T187] #1: ffffffff97569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.035956][ T187] #2: ffffffff97569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.035960][ T187] #3: ffffffff97489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.035964][ T187] #4: ffffffff97489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.035968][ T187] irq event stamp: 32694 [ 10.035969][ T187] hardirqs last enabled at (32693): [] __down_trylock_console_sem+0x86/0xa0 [ 10.035972][ T187] hardirqs last disabled at (32694): [] console_emit_next_record+0x3d4/0x4c0 [ 10.035974][ T187] softirqs last enabled at (32512): [] handle_softirqs+0x67c/0x900 [ 10.035976][ T187] softirqs last disabled at (32505): [] __irq_exit_rcu+0x145/0x1c0 [ 10.035978][ T187] Preemption disabled at: [ 10.035979][ T187] [<0000000000000000>] 0x0 [ 10.035987][ T187] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.035991][ T187] Tainted: [W]=WARN [ 10.035992][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.035993][ T187] Call Trace: [ 10.035995][ T187] [ 10.035996][ T187] dump_stack_lvl+0x6f/0xa0 [ 10.036003][ T187] __might_resched.cold+0x1fe/0x2c1 [ 10.036008][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.036012][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 10.036017][ T187] __kmalloc_noprof+0x443/0x760 [ 10.036020][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 10.036026][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 10.036029][ T187] alloc_buf.isra.0+0x4b/0x260 [ 10.036032][ T187] put_chars+0x1e1/0x2f0 [ 10.036035][ T187] ? __send_to_port+0x420/0x420 [ 10.036036][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.036041][ T187] ? validate_chain+0x38b/0xc20 [ 10.036046][ T187] hvc_console_print+0x292/0x780 [ 10.036053][ T187] ? hvc_write+0x3a0/0x3a0 [ 10.036055][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.036057][ T187] ? lock_acquire+0x13c/0x160 [ 10.036061][ T187] console_emit_next_record+0x22f/0x4c0 [ 10.036065][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 10.036067][ T187] ? console_flush_one_record+0x106/0x710 [ 10.036070][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.036073][ T187] ? lock_acquire+0x13c/0x160 [ 10.036077][ T187] console_flush_one_record+0x46f/0x710 [ 10.036081][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 10.036083][ T187] ? __lock_acquire+0x518/0xc20 [ 10.036089][ T187] console_unlock+0xee/0x1f0 [ 10.036092][ T187] ? console_flush_one_record+0x710/0x710 [ 10.036094][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.036096][ T187] ? lock_acquire+0x60/0x160 [ 10.036100][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.036101][ T187] ? vprintk_emit+0x320/0x3e0 [ 10.036105][ T187] vprintk_emit+0x37c/0x3e0 [ 10.036109][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 10.036112][ T187] ? __lock_acquire+0x518/0xc20 [ 10.036116][ T187] _printk+0xc7/0x100 [ 10.036120][ T187] ? snapshot_read.cold+0x21/0x21 [ 10.036123][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.036125][ T187] ? __rwlock_init+0x150/0x150 [ 10.036129][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.036132][ T187] do_exit.cold+0x82/0x9c [ 10.036136][ T187] ? exit_notify+0x890/0x890 [ 10.036138][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 10.036141][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.036145][ T187] do_group_exit+0xb8/0x370 [ 10.036148][ T187] __x64_sys_exit_group+0x3c/0x50 [ 10.036150][ T187] x64_sys_call+0x1567/0x1570 [ 10.036152][ T187] do_syscall_64+0xff/0x530 [ 10.036155][ T187] ? exc_page_fault+0xee/0x100 [ 10.036158][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.036160][ T187] RIP: 0033:0x7f8e9463b1b8 [ 10.036163][ T187] Code: Unable to access opcode bytes at 0x7f8e9463b18e. [ 10.036164][ T187] RSP: 002b:00007ffc3a66fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.036167][ T187] RAX: ffffffffffffffda RBX: 00007f8e9476bf88 RCX: 00007f8e9463b1b8 [ 10.036168][ T187] RDX: 00007f8e94385fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.036169][ T187] RBP: 00007ffc3a66fcd0 R08: 0000000000000000 R09: 0000000000008010 [ 10.036170][ T187] R10: 00007ffc3a66fa90 R11: 0000000000000246 R12: 0000000000000001 [ 10.036171][ T187] R13: 0000000000000000 R14: 00007f8e9476a680 R15: 00007f8e9476bfa0 [ 10.036178][ T187] [ 11.338886][ T237] br1: port 1(veth1) entered blocking state [ 11.339036][ T237] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.339038][ T237] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 237, name: ip [ 11.339040][ T237] preempt_count: 1, expected: 0 [ 11.339041][ T237] RCU nest depth: 0, expected: 0 [ 11.339042][ T237] locks held by ip/237: 5, last CPU#2: [ 11.339044][ T237] #0: ffffffff97cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.339057][ T237] #1: ffffffff97569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.339064][ T237] #2: ffffffff97569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.339068][ T237] #3: ffffffff97489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.339072][ T237] #4: ffffffff97489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.339076][ T237] irq event stamp: 16520 [ 11.339077][ T237] hardirqs last enabled at (16519): [] __down_trylock_console_sem+0x86/0xa0 [ 11.339079][ T237] hardirqs last disabled at (16520): [] console_emit_next_record+0x3d4/0x4c0 [ 11.339081][ T237] softirqs last enabled at (16428): [] __alloc_skb+0x4c2/0x5f0 [ 11.339084][ T237] softirqs last disabled at (16426): [] __alloc_skb+0x4c2/0x5f0 [ 11.339087][ T237] Preemption disabled at: [ 11.339087][ T237] [] vprintk_emit+0x31b/0x3e0 [ 11.339093][ T237] CPU: 2 UID: 0 PID: 237 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.339097][ T237] Tainted: [W]=WARN [ 11.339098][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.339100][ T237] Call Trace: [ 11.339101][ T237] [ 11.339103][ T237] dump_stack_lvl+0x6f/0xa0 [ 11.339109][ T237] ? vprintk_emit+0x31b/0x3e0 [ 11.339111][ T237] __might_resched.cold+0x1fe/0x2c1 [ 11.339116][ T237] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.339120][ T237] ? __kmalloc_noprof+0xdb/0x760 [ 11.339125][ T237] __kmalloc_noprof+0x443/0x760 [ 11.339128][ T237] ? alloc_buf.isra.0+0x4b/0x260 [ 11.339133][ T237] ? do_raw_spin_unlock+0x59/0x250 [ 11.339136][ T237] alloc_buf.isra.0+0x4b/0x260 [ 11.339139][ T237] put_chars+0x1e1/0x2f0 [ 11.339142][ T237] ? __send_to_port+0x420/0x420 [ 11.339147][ T237] ? validate_chain+0x34a/0xc20 [ 11.339150][ T237] hvc_console_print+0x292/0x780 [ 11.339153][ T237] ? mark_usage+0x61/0x170 [ 11.339155][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339157][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339161][ T237] ? hvc_write+0x3a0/0x3a0 [ 11.339163][ T237] ? console_emit_next_record+0x1df/0x4c0 [ 11.339166][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339170][ T237] ? lock_acquire+0x13c/0x160 [ 11.339175][ T237] console_emit_next_record+0x22f/0x4c0 [ 11.339179][ T237] ? devkmsg_read+0x4b0/0x4b0 [ 11.339180][ T237] ? console_flush_one_record+0x106/0x710 [ 11.339184][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339186][ T237] ? lock_acquire+0x13c/0x160 [ 11.339190][ T237] console_flush_one_record+0x46f/0x710 [ 11.339195][ T237] ? console_emit_next_record+0x4c0/0x4c0 [ 11.339197][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339202][ T237] console_unlock+0xee/0x1f0 [ 11.339205][ T237] ? console_flush_one_record+0x710/0x710 [ 11.339207][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339209][ T237] ? lock_acquire+0x60/0x160 [ 11.339213][ T237] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.339215][ T237] ? vprintk_emit+0x320/0x3e0 [ 11.339218][ T237] vprintk_emit+0x37c/0x3e0 [ 11.339222][ T237] ? wake_up_klogd_work_func+0x90/0x90 [ 11.339225][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 11.339227][ T237] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.339231][ T237] ? mark_held_locks+0x40/0x70 [ 11.339235][ T237] _printk+0xc7/0x100 [ 11.339239][ T237] ? snapshot_read.cold+0x21/0x21 [ 11.339243][ T237] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.339256][ T237] ? do_setlink.isra.0+0xa31/0x2750 [ 11.339258][ T237] ? rtnl_newlink+0x9f1/0x11c0 [ 11.339259][ T237] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.339264][ T237] br_set_state+0x22f/0x430 [bridge] [ 11.339274][ T237] br_init_port+0xc4/0x200 [bridge] [ 11.339282][ T237] new_nbp+0x39c/0x580 [bridge] [ 11.339292][ T237] br_add_if+0x212/0x1320 [bridge] [ 11.339299][ T237] ? is_bpf_text_address+0x72/0x110 [ 11.339310][ T237] ? kernel_text_address+0x149/0x170 [ 11.339313][ T237] ? __kernel_text_address+0x12/0x30 [ 11.339317][ T237] do_set_master+0x357/0x580 [ 11.339322][ T237] do_setlink.isra.0+0xa31/0x2750 [ 11.339325][ T237] ? stack_trace_save+0x93/0xc0 [ 11.339328][ T237] ? rtnl_link_get_size+0x350/0x350 [ 11.339329][ T237] ? rcu_read_lock_any_held+0x66/0x90 [ 11.339332][ T237] ? stack_depot_save_flags+0x38e/0x790 [ 11.339335][ T237] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.339338][ T237] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.339340][ T237] ? validate_chain+0x38b/0xc20 [ 11.339342][ T237] ? kasan_save_stack+0x3d/0x50 [ 11.339345][ T237] ? kasan_save_stack+0x2f/0x50 [ 11.339347][ T237] ? kasan_save_track+0x14/0x30 [ 11.339350][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339351][ T237] ? netlink_seq_next+0x4e/0x60 [ 11.339354][ T237] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.339359][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 11.339361][ T237] ? rtnl_newlink+0x9a8/0x11c0 [ 11.339363][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339366][ T237] ? lock_acquire+0x13c/0x160 [ 11.339367][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339369][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339371][ T237] ? trace_contention_end+0xb3/0x180 [ 11.339375][ T237] ? __mutex_lock+0x1db/0x1ea0 [ 11.339377][ T237] ? __mutex_lock+0x9a3/0x1ea0 [ 11.339379][ T237] ? rtnl_newlink+0x9a8/0x11c0 [ 11.339382][ T237] ? ww_mutex_lock+0x160/0x160 [ 11.339384][ T237] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.339389][ T237] ? __rtnl_newlink+0x3fa/0xa50 [ 11.339394][ T237] rtnl_newlink+0x9f1/0x11c0 [ 11.339399][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 11.339401][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339406][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 11.339407][ T237] ? find_held_lock+0x2b/0x80 [ 11.339409][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 11.339411][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 11.339415][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 11.339417][ T237] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.339420][ T237] ? rtnl_link_fill+0x920/0x920 [ 11.339421][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339426][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 11.339428][ T237] ? find_held_lock+0x2b/0x80 [ 11.339431][ T237] netlink_rcv_skb+0x14e/0x3a0 [ 11.339433][ T237] ? rtnl_link_fill+0x920/0x920 [ 11.339435][ T237] ? netlink_ack+0xcf0/0xcf0 [ 11.339442][ T237] ? netlink_deliver_tap+0xc5/0x330 [ 11.339443][ T237] ? netlink_deliver_tap+0x13c/0x330 [ 11.339447][ T237] netlink_unicast+0x486/0x750 [ 11.339451][ T237] ? netlink_attachskb+0x810/0x810 [ 11.339454][ T237] ? __lock_acquire+0x518/0xc20 [ 11.339458][ T237] netlink_sendmsg+0x735/0xc60 [ 11.339462][ T237] ? netlink_unicast+0x750/0x750 [ 11.339465][ T237] ? __might_fault+0x97/0x140 [ 11.339470][ T237] ____sys_sendmsg+0x415/0x880 [ 11.339473][ T237] ? copy_msghdr_from_user+0x279/0x420 [ 11.339475][ T237] ? get_timestamp.constprop.0+0x390/0x390 [ 11.339476][ T237] ? move_addr_to_kernel+0x40/0x40 [ 11.339484][ T237] ___sys_sendmsg+0x14e/0x1d0 [ 11.339486][ T237] ? copy_msghdr_from_user+0x420/0x420 [ 11.339502][ T237] __sys_sendmsg+0x12c/0x1d0 [ 11.339505][ T237] ? __sys_sendmsg_sock+0x20/0x20 [ 11.339511][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.339514][ T237] do_syscall_64+0xff/0x530 [ 11.339517][ T237] ? exc_page_fault+0xee/0x100 [ 11.339519][ T237] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.339522][ T237] RIP: 0033:0x7f70088a654e [ 11.339525][ T237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 11.339527][ T237] RSP: 002b:00007ffc75038070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.339530][ T237] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f70088a654e [ 11.339531][ T237] RDX: 0000000000000000 RSI: 00007ffc75038120 RDI: 0000000000000005 [ 11.339532][ T237] RBP: 00007ffc75038080 R08: 0000000000000000 R09: 0000000000000000 [ 11.339533][ T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5e7 [ 11.339534][ T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc750387e0 [ 11.339540][ T237] [ 11.394957][ T237] br1: port 1(veth1) entered disabled state [ 11.395541][ T237] veth1: entered allmulticast mode [ 11.398016][ T237] veth1: entered promiscuous mode [ 11.420251][ T237] ip (237) used greatest stack depth: 23336 bytes left [ 11.442981][ T109] br1: port 1(veth1) entered blocking state [ 11.443421][ T109] br1: port 1(veth1) entered forwarding state [ 11.493205][ T240] br1: port 2(veth2) entered blocking state [ 11.493632][ T240] br1: port 2(veth2) entered disabled state [ 11.494038][ T240] veth2: entered allmulticast mode [ 11.495702][ T240] veth2: entered promiscuous mode [ 11.523449][ T109] br1: port 2(veth2) entered blocking state [ 11.523991][ T109] br1: port 2(veth2) entered forwarding state [ 16.972509][ T265] GACT probability NOT on [ 16.972528][ T265] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.972531][ T265] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 265, name: modprobe [ 16.972533][ T265] preempt_count: 1, expected: 0 [ 16.972534][ T265] RCU nest depth: 0, expected: 0 [ 16.972535][ T265] locks held by modprobe/265: 4, last CPU#1: [ 16.972538][ T265] #0: ffffffff97569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.972551][ T265] #1: ffffffff97569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.972559][ T265] #2: ffffffff97489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.972564][ T265] #3: ffffffff97489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.972568][ T265] irq event stamp: 28160 [ 16.972569][ T265] hardirqs last enabled at (28159): [] __down_trylock_console_sem+0x86/0xa0 [ 16.972572][ T265] hardirqs last disabled at (28160): [] console_emit_next_record+0x3d4/0x4c0 [ 16.972575][ T265] softirqs last enabled at (27110): [] handle_softirqs+0x67c/0x900 [ 16.972578][ T265] softirqs last disabled at (27101): [] __irq_exit_rcu+0x145/0x1c0 [ 16.972580][ T265] Preemption disabled at: [ 16.972581][ T265] [] vprintk_emit+0x31b/0x3e0 [ 16.972587][ T265] CPU: 1 UID: 0 PID: 265 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.972591][ T265] Tainted: [W]=WARN [ 16.972592][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.972594][ T265] Call Trace: [ 16.972595][ T265] [ 16.972597][ T265] dump_stack_lvl+0x6f/0xa0 [ 16.972602][ T265] ? vprintk_emit+0x31b/0x3e0 [ 16.972605][ T265] __might_resched.cold+0x1fe/0x2c1 [ 16.972609][ T265] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.972613][ T265] ? __kmalloc_noprof+0xdb/0x760 [ 16.972618][ T265] __kmalloc_noprof+0x443/0x760 [ 16.972621][ T265] ? alloc_buf.isra.0+0x4b/0x260 [ 16.972626][ T265] ? do_raw_spin_unlock+0x59/0x250 [ 16.972629][ T265] alloc_buf.isra.0+0x4b/0x260 [ 16.972632][ T265] put_chars+0x1e1/0x2f0 [ 16.972634][ T265] ? desc_read_finalized_seq+0x79/0x120 [ 16.972636][ T265] ? __send_to_port+0x420/0x420 [ 16.972639][ T265] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.972642][ T265] ? validate_chain+0x38b/0xc20 [ 16.972647][ T265] hvc_console_print+0x292/0x780 [ 16.972649][ T265] ? __lock_acquire+0x518/0xc20 [ 16.972651][ T265] ? __lock_acquire+0x518/0xc20 [ 16.972655][ T265] ? hvc_write+0x3a0/0x3a0 [ 16.972657][ T265] ? console_emit_next_record+0x1df/0x4c0 [ 16.972660][ T265] ? rcu_is_watching+0x16/0xd0 [ 16.972663][ T265] ? lock_acquire+0x13c/0x160 [ 16.972667][ T265] console_emit_next_record+0x22f/0x4c0 [ 16.972670][ T265] ? devkmsg_read+0x4b0/0x4b0 [ 16.972672][ T265] ? console_flush_one_record+0x106/0x710 [ 16.972675][ T265] ? rcu_is_watching+0x16/0xd0 [ 16.972678][ T265] ? lock_acquire+0x13c/0x160 [ 16.972682][ T265] console_flush_one_record+0x46f/0x710 [ 16.972686][ T265] ? console_emit_next_record+0x4c0/0x4c0 [ 16.972688][ T265] ? __lock_acquire+0x518/0xc20 [ 16.972693][ T265] console_unlock+0xee/0x1f0 [ 16.972696][ T265] ? console_flush_one_record+0x710/0x710 [ 16.972698][ T265] ? rcu_is_watching+0x16/0xd0 [ 16.972700][ T265] ? lock_acquire+0x60/0x160 [ 16.972703][ T265] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.972705][ T265] ? vprintk_emit+0x320/0x3e0 [ 16.972709][ T265] vprintk_emit+0x37c/0x3e0 [ 16.972713][ T265] ? wake_up_klogd_work_func+0x90/0x90 [ 16.972719][ T265] ? llc_exit+0x3e0/0x3e0 [llc] [ 16.972723][ T265] _printk+0xc7/0x100 [ 16.972727][ T265] ? snapshot_read.cold+0x21/0x21 [ 16.972733][ T265] ? do_one_initcall+0x113/0x4f0 [ 16.972736][ T265] gact_init_module+0x15/0x1000 [act_gact] [ 16.972739][ T265] do_one_initcall+0x124/0x4f0 [ 16.972742][ T265] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 16.972747][ T265] ? do_init_module+0xae/0x8a0 [ 16.972750][ T265] ? kasan_unpoison+0x44/0x70 [ 16.972755][ T265] do_init_module+0x2ad/0x8a0 [ 16.972759][ T265] ? lockdep_hardirqs_on+0x91/0x130 [ 16.972763][ T265] ? free_module+0x470/0x470 [ 16.972766][ T265] ? kfree+0x123/0x590 [ 16.972770][ T265] load_module+0x1424/0x1bb0 [ 16.972778][ T265] ? layout_and_allocate.isra.0+0x680/0x680 [ 16.972782][ T265] ? __ia32_sys_fsconfig+0x180/0x180 [ 16.972784][ T265] ? ovl_real_file+0x172/0x1e0 [ 16.972789][ T265] ? backing_file_read_iter+0x541/0x790 [ 16.972792][ T265] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.972796][ T265] init_module_from_file+0x11f/0x1a0 [ 16.972799][ T265] ? __do_sys_init_module+0x220/0x220 [ 16.972807][ T265] ? __rwlock_init+0x150/0x150 [ 16.972811][ T265] ? do_raw_spin_unlock+0x59/0x250 [ 16.972814][ T265] idempotent_init_module+0x37b/0x7c0 [ 16.972817][ T265] ? init_module_from_file+0x1a0/0x1a0 [ 16.972823][ T265] ? rcu_is_watching+0x16/0xd0 [ 16.972826][ T265] ? cap_capable+0x1d7/0x3d0 [ 16.972832][ T265] __x64_sys_finit_module+0xdf/0x190 [ 16.972834][ T265] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.972838][ T265] do_syscall_64+0xff/0x530 [ 16.972840][ T265] ? exc_page_fault+0xee/0x100 [ 16.972842][ T265] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.972845][ T265] RIP: 0033:0x7fad7403f37d [ 16.972848][ T265] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 16.972850][ T265] RSP: 002b:00007fffe0bc1808 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.972853][ T265] RAX: ffffffffffffffda RBX: 000055e7459cf810 RCX: 00007fad7403f37d [ 16.972854][ T265] RDX: 0000000000000000 RSI: 000055e7408e9ffd RDI: 0000000000000000 [ 16.972855][ T265] RBP: 00007fffe0bc18a0 R08: 0000000000000000 R09: 0000000000000000 [ 16.972856][ T265] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e7408e9ffd [ 16.972857][ T265] R13: 000055e7459cf960 R14: 0000000000040000 R15: 0000000000000000 [ 16.972864][ T265] [ 26.483652][ C3] [ 26.483672][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.483675][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/3 [ 26.483677][ C3] preempt_count: 104, expected: 0 [ 26.483678][ C3] RCU nest depth: 0, expected: 0 [ 26.483680][ C3] INFO: lockdep is turned off. [ 26.483681][ C3] irq event stamp: 610810 [ 26.483682][ C3] hardirqs last enabled at (610810): [] _raw_spin_unlock_irq+0x28/0x50 [ 26.483692][ C3] hardirqs last disabled at (610809): [] _raw_spin_lock_irq+0x4a/0x50 [ 26.483695][ C3] softirqs last enabled at (610776): [] handle_softirqs+0x67c/0x900 [ 26.483700][ C3] softirqs last disabled at (610807): [] __irq_exit_rcu+0x145/0x1c0 [ 26.483703][ C3] Preemption disabled at: [ 26.483704][ C3] [<0000000000000000>] 0x0 [ 26.483713][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.483717][ C3] Tainted: [W]=WARN [ 26.483719][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.483722][ C3] Call Trace: [ 26.483724][ C3] [ 26.483727][ C3] dump_stack_lvl+0x6f/0xa0 [ 26.483733][ C3] __might_resched.cold+0x1fe/0x2c1 [ 26.483738][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.483742][ C3] ? __asan_memcpy+0x3c/0x60 [ 26.483745][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483750][ C3] __kmalloc_noprof+0x443/0x760 [ 26.483754][ C3] ? __rwlock_init+0x150/0x150 [ 26.483758][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 26.483762][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 26.483765][ C3] alloc_buf.isra.0+0x4b/0x260 [ 26.483768][ C3] put_chars+0x1e1/0x2f0 [ 26.483770][ C3] ? __send_to_port+0x420/0x420 [ 26.483773][ C3] ? console_prepend_replay+0x20/0x20 [ 26.483778][ C3] hvc_console_print+0x292/0x780 [ 26.483782][ C3] ? hvc_write+0x3a0/0x3a0 [ 26.483785][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483787][ C3] ? lock_acquire+0x13c/0x160 [ 26.483790][ C3] console_emit_next_record+0x22f/0x4c0 [ 26.483794][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 26.483797][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483799][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483802][ C3] ? lock_acquire+0x13c/0x160 [ 26.483805][ C3] ? console_flush_one_record+0x111/0x710 [ 26.483807][ C3] console_flush_one_record+0x46f/0x710 [ 26.483811][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 26.483815][ C3] console_unlock+0xee/0x1f0 [ 26.483817][ C3] ? lock_acquire+0x13c/0x160 [ 26.483819][ C3] ? console_flush_one_record+0x710/0x710 [ 26.483822][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483824][ C3] ? lock_release+0x184/0x1f0 [ 26.483826][ C3] ? lock_acquire+0x60/0x160 [ 26.483829][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.483832][ C3] ? vprintk_emit+0x320/0x3e0 [ 26.483835][ C3] vprintk_emit+0x37c/0x3e0 [ 26.483838][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 26.483841][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483859][ C3] ? lock_release+0x184/0x1f0 [ 26.483861][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483873][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483884][ C3] ? is_module_text_address+0x154/0x250 [ 26.483889][ C3] _printk+0xc7/0x100 [ 26.483892][ C3] ? snapshot_read.cold+0x21/0x21 [ 26.483895][ C3] ? arch_stack_walk+0xd7/0x130 [ 26.483900][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.483903][ C3] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 26.483906][ C3] print_irq_inversion_bug.part.0+0x32/0xc0 [ 26.483909][ C3] mark_lock_irq+0x989/0x9c0 [ 26.483914][ C3] mark_lock+0x1d7/0xa00 [ 26.483917][ C3] mark_usage+0x42/0x170 [ 26.483919][ C3] __lock_acquire+0x388/0xc20 [ 26.483923][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.483925][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483936][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.483939][ C3] ? lock_acquire+0x13c/0x160 [ 26.483941][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.483953][ C3] _raw_spin_lock+0x33/0x40 [ 26.483955][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483966][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483978][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.483988][ C3] call_timer_fn+0x160/0x4d0 [ 26.483992][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 26.483995][ C3] ? debug_object_active_state+0x430/0x430 [ 26.483999][ C3] ? find_held_lock+0x2b/0x80 [ 26.484001][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.484004][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.484007][ C3] __run_timers+0x68f/0xaa0 [ 26.484010][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.484022][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.484025][ C3] ? __lock_acquire+0x518/0xc20 [ 26.484029][ C3] ? __rwlock_init+0x150/0x150 [ 26.484032][ C3] run_timer_softirq+0xf0/0x160 [ 26.484035][ C3] ? __run_timers+0xaa0/0xaa0 [ 26.484038][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.484041][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.484044][ C3] handle_softirqs+0x1d3/0x900 [ 26.484047][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.484049][ C3] ? _local_bh_enable+0xc0/0xc0 [ 26.484052][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.484055][ C3] irq_exit_rcu+0xe/0x30 [ 26.484057][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.484061][ C3] [ 26.484062][ C3] [ 26.484063][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 26.484065][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.484069][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.484072][ C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.484074][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 26.484079][ C3] RAX: 00000000000951f5 RBX: ff11000001c88040 RCX: ffffffff942f0307 [ 26.484081][ C3] RDX: ff11000001c88040 RSI: ffffffff97038b1c RDI: ffffffff96a8d8e0 [ 26.484083][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.484084][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 26.484085][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.484088][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.484092][ C3] default_idle+0x9/0x10 [ 26.484095][ C3] default_idle_call+0x6e/0xb0 [ 26.484098][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.484100][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 26.484102][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 26.484106][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.484109][ C3] do_idle+0xd8/0x190 [ 26.484111][ C3] cpu_startup_entry+0x53/0x70 [ 26.484113][ C3] start_secondary+0x204/0x2b0 [ 26.484116][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.484119][ C3] common_startup_64+0x13e/0x148 [ 26.484125][ C3] [ 26.516824][ C3] ======================================================== [ 26.517179][ C3] WARNING: possible irq lock inversion dependency detected [ 26.517549][ C3] 7.2.0-virtme #1 Tainted: G W [ 26.517783][ C3] -------------------------------------------------------- [ 26.518132][ C3] swapper/3/0 just changed the state of lock: [ 26.518451][ C3] ff1100000cb0ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.518924][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 26.519210][ C3] (fs_reclaim){+.+.}-{0:0} [ 26.519215][ C3] [ 26.519215][ C3] [ 26.519215][ C3] and interrupts could create inverse lock ordering between them. [ 26.519215][ C3] [ 26.520065][ C3] [ 26.520065][ C3] other info that might help us debug this: [ 26.520429][ C3] Chain exists of: [ 26.520429][ C3] &br->lock --> console_owner --> fs_reclaim [ 26.520429][ C3] [ 26.520942][ C3] Possible interrupt unsafe locking scenario: [ 26.520942][ C3] [ 26.521298][ C3] CPU0 CPU1 [ 26.521493][ C3] ---- ---- [ 26.521749][ C3] lock(fs_reclaim); [ 26.521901][ C3] local_irq_disable(); [ 26.522213][ C3] lock(&br->lock); [ 26.522489][ C3] lock(console_owner); [ 26.522664][ C3] [ 26.522815][ C3] lock(&br->lock); [ 26.522918][ C3] [ 26.522918][ C3] *** DEADLOCK *** [ 26.522918][ C3] [ 26.523157][ C3] locks held by swapper/3/0: 1, last CPU#3: [ 26.523324][ C3] #0: ffa0000000280c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 26.523655][ C3] [ 26.523655][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 26.523935][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 26.524122][ C3] HARDIRQ-ON-W at: [ 26.524254][ C3] __lock_acquire+0x388/0xc20 [ 26.524485][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.524658][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.524880][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.525133][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.525335][ C3] workqueue_init+0x2a/0x680 [ 26.525559][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.525810][ C3] kernel_init+0x21/0x150 [ 26.525983][ C3] ret_from_fork+0x474/0x6b0 [ 26.526200][ C3] ret_from_fork_asm+0x11/0x20 [ 26.526420][ C3] SOFTIRQ-ON-W at: [ 26.526520][ C3] __lock_acquire+0x388/0xc20 [ 26.526738][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.526905][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.527118][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.527379][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.527587][ C3] workqueue_init+0x2a/0x680 [ 26.527804][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.528055][ C3] kernel_init+0x21/0x150 [ 26.528221][ C3] ret_from_fork+0x474/0x6b0 [ 26.528446][ C3] ret_from_fork_asm+0x11/0x20 [ 26.528623][ C3] INITIAL USE at: [ 26.528724][ C3] __lock_acquire+0x388/0xc20 [ 26.528936][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.529103][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.529319][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.529574][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.529779][ C3] workqueue_init+0x2a/0x680 [ 26.529994][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.530209][ C3] kernel_init+0x21/0x150 [ 26.530390][ C3] ret_from_fork+0x474/0x6b0 [ 26.530608][ C3] ret_from_fork_asm+0x11/0x20 [ 26.530829][ C3] } [ 26.530899][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 26.531147][ C3] ... acquired at: [ 26.531249][ C3] __lock_acquire+0x518/0xc20 [ 26.531392][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.531570][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.531705][ C3] __kmalloc_noprof+0xd3/0x760 [ 26.531889][ C3] alloc_buf.isra.0+0x4b/0x260 [ 26.532024][ C3] put_chars+0x1e1/0x2f0 [ 26.532207][ C3] hvc_console_print+0x292/0x780 [ 26.532340][ C3] console_emit_next_record+0x22f/0x4c0 [ 26.532529][ C3] console_flush_one_record+0x46f/0x710 [ 26.532663][ C3] console_unlock+0xee/0x1f0 [ 26.532844][ C3] vprintk_emit+0x37c/0x3e0 [ 26.532977][ C3] _printk+0xc7/0x100 [ 26.533125][ C3] dm_interface_init+0x50/0x60 [ 26.533260][ C3] dm_init+0x51/0xd0 [ 26.533415][ C3] do_one_initcall+0x124/0x4f0 [ 26.533543][ C3] kernel_init_freeable+0x596/0x630 [ 26.533712][ C3] kernel_init+0x21/0x150 [ 26.533840][ C3] ret_from_fork+0x474/0x6b0 [ 26.534023][ C3] ret_from_fork_asm+0x11/0x20 [ 26.534161][ C3] [ 26.534231][ C3] -> (console_owner){....}-{0:0} { [ 26.534422][ C3] INITIAL USE at: [ 26.534522][ C3] } [ 26.534597][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 26.534804][ C3] ... acquired at: [ 26.534952][ C3] __lock_acquire+0x518/0xc20 [ 26.535088][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.535270][ C3] console_lock_spinning_enable+0x5c/0x60 [ 26.535447][ C3] console_emit_next_record+0x1d1/0x4c0 [ 26.535628][ C3] console_flush_one_record+0x46f/0x710 [ 26.535765][ C3] console_unlock+0xee/0x1f0 [ 26.535947][ C3] vprintk_emit+0x37c/0x3e0 [ 26.536080][ C3] _printk+0xc7/0x100 [ 26.536227][ C3] br_set_state+0x22f/0x430 [bridge] [ 26.536379][ C3] br_init_port+0xc4/0x200 [bridge] [ 26.536567][ C3] br_stp_enable_port+0x12/0x50 [bridge] [ 26.536742][ C3] br_port_carrier_check+0x220/0x430 [bridge] [ 26.536963][ C3] br_device_event+0x52d/0x8f0 [bridge] [ 26.537103][ C3] notifier_call_chain+0xae/0x300 [ 26.537282][ C3] netif_state_change+0x139/0x340 [ 26.537426][ C3] __linkwatch_run_queue+0x34c/0x750 [ 26.537610][ C3] linkwatch_event+0x7f/0xb0 [ 26.537745][ C3] process_one_work+0xe3e/0x1560 [ 26.537930][ C3] worker_thread+0x4f1/0xd60 [ 26.538070][ C3] kthread+0x367/0x460 [ 26.538221][ C3] ret_from_fork+0x474/0x6b0 [ 26.538349][ C3] ret_from_fork_asm+0x11/0x20 [ 26.538528][ C3] [ 26.538592][ C3] -> (&br->lock){+.-.}-{3:3} { [ 26.538785][ C3] HARDIRQ-ON-W at: [ 26.538888][ C3] __lock_acquire+0x388/0xc20 [ 26.539106][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.539297][ C3] _raw_spin_lock_bh+0x38/0x50 [ 26.539519][ C3] br_stp_enable_bridge+0x23/0x340 [bridge] [ 26.539770][ C3] br_dev_open+0x94/0x120 [bridge] [ 26.539941][ C3] __dev_open+0x2f3/0x610 [ 26.540167][ C3] __dev_change_flags+0x4a4/0x660 [ 26.540340][ C3] rtnl_configure_link+0x15f/0x410 [ 26.540575][ C3] rtnl_newlink_create+0x2ec/0x750 [ 26.540801][ C3] __rtnl_newlink+0x22b/0xa50 [ 26.540968][ C3] rtnl_newlink+0x9f1/0x11c0 [ 26.541187][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.541413][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 26.541589][ C3] netlink_unicast+0x486/0x750 [ 26.541801][ C3] netlink_sendmsg+0x735/0xc60 [ 26.541968][ C3] ____sys_sendmsg+0x415/0x880 [ 26.542180][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 26.542400][ C3] __sys_sendmsg+0x12c/0x1d0 [ 26.542571][ C3] do_syscall_64+0xff/0x530 [ 26.542787][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.543034][ C3] IN-SOFTIRQ-W at: [ 26.543133][ C3] __lock_acquire+0x388/0xc20 [ 26.543358][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.543523][ C3] _raw_spin_lock+0x33/0x40 [ 26.543690][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.543949][ C3] call_timer_fn+0x160/0x4d0 [ 26.544113][ C3] __run_timers+0x68f/0xaa0 [ 26.544318][ C3] run_timer_softirq+0xf0/0x160 [ 26.544534][ C3] handle_softirqs+0x1d3/0x900 [ 26.544696][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.544903][ C3] irq_exit_rcu+0xe/0x30 [ 26.545071][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.545309][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.545557][ C3] pv_native_safe_halt+0xf/0x10 [ 26.545771][ C3] default_idle+0x9/0x10 [ 26.545934][ C3] default_idle_call+0x6e/0xb0 [ 26.546147][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.550595][ C3] do_idle+0xd8/0x190 [ 26.550745][ C3] cpu_startup_entry+0x53/0x70 [ 26.550962][ C3] start_secondary+0x204/0x2b0 [ 26.551132][ C3] common_startup_64+0x13e/0x148 [ 26.551348][ C3] INITIAL USE at: [ 26.551467][ C3] __lock_acquire+0x388/0xc20 [ 26.551685][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.551903][ C3] _raw_spin_lock_bh+0x38/0x50 [ 26.552070][ C3] br_stp_enable_bridge+0x23/0x340 [bridge] [ 26.552326][ C3] br_dev_open+0x94/0x120 [bridge] [ 26.552551][ C3] __dev_open+0x2f3/0x610 [ 26.552718][ C3] __dev_change_flags+0x4a4/0x660 [ 26.552928][ C3] rtnl_configure_link+0x15f/0x410 [ 26.553093][ C3] rtnl_newlink_create+0x2ec/0x750 [ 26.553303][ C3] __rtnl_newlink+0x22b/0xa50 [ 26.553519][ C3] rtnl_newlink+0x9f1/0x11c0 [ 26.553684][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.553892][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 26.554103][ C3] netlink_unicast+0x486/0x750 [ 26.554264][ C3] netlink_sendmsg+0x735/0xc60 [ 26.554482][ C3] ____sys_sendmsg+0x415/0x880 [ 26.554646][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 26.554856][ C3] __sys_sendmsg+0x12c/0x1d0 [ 26.555067][ C3] do_syscall_64+0xff/0x530 [ 26.555229][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.555477][ C3] } [ 26.555548][ C3] ... key at: [] __key.7+0x0/0x40 [bridge] [ 26.555793][ C3] ... acquired at: [ 26.555889][ C3] mark_lock+0x1d7/0xa00 [ 26.556065][ C3] mark_usage+0x42/0x170 [ 26.556194][ C3] __lock_acquire+0x388/0xc20 [ 26.556373][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.556502][ C3] _raw_spin_lock+0x33/0x40 [ 26.556675][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.556891][ C3] call_timer_fn+0x160/0x4d0 [ 26.557019][ C3] __run_timers+0x68f/0xaa0 [ 26.557198][ C3] run_timer_softirq+0xf0/0x160 [ 26.557330][ C3] handle_softirqs+0x1d3/0x900 [ 26.557511][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.557640][ C3] irq_exit_rcu+0xe/0x30 [ 26.557819][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.557990][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.558197][ C3] pv_native_safe_halt+0xf/0x10 [ 26.558325][ C3] default_idle+0x9/0x10 [ 26.558506][ C3] default_idle_call+0x6e/0xb0 [ 26.558637][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.558844][ C3] do_idle+0xd8/0x190 [ 26.558940][ C3] cpu_startup_entry+0x53/0x70 [ 26.559117][ C3] start_secondary+0x204/0x2b0 [ 26.559251][ C3] common_startup_64+0x13e/0x148 [ 26.559432][ C3] [ 26.559498][ C3] [ 26.559498][ C3] stack backtrace: [ 26.559705][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.559709][ C3] Tainted: [W]=WARN [ 26.559710][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.559712][ C3] Call Trace: [ 26.559713][ C3] [ 26.559715][ C3] dump_stack_lvl+0x6f/0xa0 [ 26.559721][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 26.559724][ C3] mark_lock_irq+0x989/0x9c0 [ 26.559727][ C3] mark_lock+0x1d7/0xa00 [ 26.559729][ C3] mark_usage+0x42/0x170 [ 26.559731][ C3] __lock_acquire+0x388/0xc20 [ 26.559733][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.559734][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.559742][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.559746][ C3] ? lock_acquire+0x13c/0x160 [ 26.559747][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.559754][ C3] _raw_spin_lock+0x33/0x40 [ 26.559756][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.559762][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.559768][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.559775][ C3] call_timer_fn+0x160/0x4d0 [ 26.559777][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 26.559779][ C3] ? debug_object_active_state+0x430/0x430 [ 26.559783][ C3] ? find_held_lock+0x2b/0x80 [ 26.559785][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.559786][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.559789][ C3] __run_timers+0x68f/0xaa0 [ 26.559790][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.559797][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.559799][ C3] ? __lock_acquire+0x518/0xc20 [ 26.559802][ C3] ? __rwlock_init+0x150/0x150 [ 26.559804][ C3] run_timer_softirq+0xf0/0x160 [ 26.559806][ C3] ? __run_timers+0xaa0/0xaa0 [ 26.559808][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.559810][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.559812][ C3] handle_softirqs+0x1d3/0x900 [ 26.559813][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.559815][ C3] ? _local_bh_enable+0xc0/0xc0 [ 26.559817][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.559818][ C3] irq_exit_rcu+0xe/0x30 [ 26.559820][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.559822][ C3] [ 26.559822][ C3] [ 26.559823][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 26.559825][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.559826][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.559829][ C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.559831][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 26.559834][ C3] RAX: 00000000000951f5 RBX: ff11000001c88040 RCX: ffffffff942f0307 [ 26.559836][ C3] RDX: ff11000001c88040 RSI: ffffffff97038b1c RDI: ffffffff96a8d8e0 [ 26.559836][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.559837][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 26.559838][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.559840][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.559842][ C3] default_idle+0x9/0x10 [ 26.559843][ C3] default_idle_call+0x6e/0xb0 [ 26.559845][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.559847][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 26.559848][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 26.559850][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.559852][ C3] do_idle+0xd8/0x190 [ 26.559854][ C3] cpu_startup_entry+0x53/0x70 [ 26.559855][ C3] start_secondary+0x204/0x2b0 [ 26.559857][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.559859][ C3] common_startup_64+0x13e/0x148 [ 26.559862][ C3] [ 29.640377][ T484] br1: port 2(veth2) entered disabled state [ 29.640394][ T484] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.640396][ T484] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 484, name: ip [ 29.640398][ T484] preempt_count: 202, expected: 0 [ 29.640399][ T484] RCU nest depth: 0, expected: 0 [ 29.640400][ T484] INFO: lockdep is turned off. [ 29.640401][ T484] irq event stamp: 0 [ 29.640402][ T484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 29.640407][ T484] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 29.640413][ T484] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 29.640415][ T484] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.640417][ T484] Preemption disabled at: [ 29.640418][ T484] [<0000000000000000>] 0x0 [ 29.640422][ T484] CPU: 0 UID: 0 PID: 484 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.640426][ T484] Tainted: [W]=WARN [ 29.640427][ T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.640429][ T484] Call Trace: [ 29.640430][ T484] [ 29.640432][ T484] dump_stack_lvl+0x6f/0xa0 [ 29.640437][ T484] __might_resched.cold+0x1fe/0x2c1 [ 29.640441][ T484] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.640444][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640448][ T484] __kmalloc_noprof+0x443/0x760 [ 29.640452][ T484] ? __rwlock_init+0x150/0x150 [ 29.640454][ T484] ? alloc_buf.isra.0+0x4b/0x260 [ 29.640458][ T484] ? do_raw_spin_unlock+0x59/0x250 [ 29.640460][ T484] alloc_buf.isra.0+0x4b/0x260 [ 29.640461][ T484] put_chars+0x1e1/0x2f0 [ 29.640463][ T484] ? __send_to_port+0x420/0x420 [ 29.640465][ T484] ? printk_get_next_message+0x240/0x650 [ 29.640468][ T484] hvc_console_print+0x292/0x780 [ 29.640471][ T484] ? hvc_write+0x3a0/0x3a0 [ 29.640474][ T484] ? __rwlock_init+0x150/0x150 [ 29.640475][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640477][ T484] ? lock_acquire+0x13c/0x160 [ 29.640479][ T484] console_emit_next_record+0x22f/0x4c0 [ 29.640482][ T484] ? devkmsg_read+0x4b0/0x4b0 [ 29.640483][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640485][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640487][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640488][ T484] ? lock_acquire+0x13c/0x160 [ 29.640490][ T484] ? console_flush_one_record+0x111/0x710 [ 29.640492][ T484] console_flush_one_record+0x46f/0x710 [ 29.640494][ T484] ? console_emit_next_record+0x4c0/0x4c0 [ 29.640497][ T484] console_unlock+0xee/0x1f0 [ 29.640499][ T484] ? lock_acquire+0x13c/0x160 [ 29.640500][ T484] ? console_flush_one_record+0x710/0x710 [ 29.640502][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640503][ T484] ? lock_release+0x184/0x1f0 [ 29.640505][ T484] ? lock_acquire+0x60/0x160 [ 29.640506][ T484] ? __rcu_read_lock+0x30/0x70 [ 29.640508][ T484] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.640510][ T484] ? vprintk_emit+0x320/0x3e0 [ 29.640512][ T484] vprintk_emit+0x37c/0x3e0 [ 29.640515][ T484] ? wake_up_klogd_work_func+0x90/0x90 [ 29.640517][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640518][ T484] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.640521][ T484] ? trace_hardirqs_on+0x36/0x40 [ 29.640523][ T484] _printk+0xc7/0x100 [ 29.640526][ T484] ? snapshot_read.cold+0x21/0x21 [ 29.640528][ T484] ? ipv6_mc_down+0x17e/0x2d0 [ 29.640533][ T484] br_set_state+0x22f/0x430 [bridge] [ 29.640546][ T484] br_stp_disable_port+0x11f/0x390 [bridge] [ 29.640554][ T484] br_device_event+0x7b5/0x8f0 [bridge] [ 29.640567][ T484] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 29.640570][ T484] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 29.640573][ T484] ? addrconf_notify+0x2c8/0xf30 [ 29.640576][ T484] notifier_call_chain+0xae/0x300 [ 29.640579][ T484] __dev_notify_flags+0x23c/0x3c0 [ 29.640583][ T484] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.640585][ T484] ? netif_change_name+0x8c0/0x8c0 [ 29.640587][ T484] ? netif_set_allmulti+0x250/0x250 [ 29.640589][ T484] ? __kernel_text_address+0x12/0x30 [ 29.640591][ T484] ? write_profile+0xf0/0xf0 [ 29.640593][ T484] ? unwind_get_return_address+0x67/0xd0 [ 29.640596][ T484] netif_change_flags+0xfe/0x190 [ 29.640598][ T484] do_setlink.isra.0+0x1cc3/0x2750 [ 29.640601][ T484] ? stack_trace_save+0x93/0xc0 [ 29.640602][ T484] ? rtnl_link_get_size+0x350/0x350 [ 29.640603][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640605][ T484] ? stack_depot_save_flags+0x1bc/0x790 [ 29.640609][ T484] ? kasan_save_stack+0x3d/0x50 [ 29.640611][ T484] ? kasan_save_stack+0x2f/0x50 [ 29.640613][ T484] ? kasan_save_track+0x14/0x30 [ 29.640614][ T484] ? __kasan_kmalloc+0x7b/0x90 [ 29.640616][ T484] ? __kmalloc_cache_noprof+0x29a/0x620 [ 29.640617][ T484] ? rtnl_newlink+0x124/0x11c0 [ 29.640618][ T484] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.640620][ T484] ? netlink_rcv_skb+0x14e/0x3a0 [ 29.640622][ T484] ? netlink_unicast+0x486/0x750 [ 29.640623][ T484] ? netlink_sendmsg+0x735/0xc60 [ 29.640625][ T484] ? ____sys_sendmsg+0x415/0x880 [ 29.640627][ T484] ? ___sys_sendmsg+0x14e/0x1d0 [ 29.640629][ T484] ? __sys_sendmsg+0x12c/0x1d0 [ 29.640630][ T484] ? do_syscall_64+0xff/0x530 [ 29.640632][ T484] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.640635][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640637][ T484] ? lock_acquire+0x13c/0x160 [ 29.640638][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640640][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640641][ T484] ? trace_contention_end+0xb3/0x180 [ 29.640644][ T484] ? __mutex_lock+0x1db/0x1ea0 [ 29.640646][ T484] ? __mutex_lock+0x9a3/0x1ea0 [ 29.640647][ T484] ? rtnl_newlink+0x9a8/0x11c0 [ 29.640649][ T484] ? ww_mutex_lock+0x160/0x160 [ 29.640651][ T484] ? __rtnl_newlink+0x3fa/0xa50 [ 29.640653][ T484] rtnl_newlink+0x9f1/0x11c0 [ 29.640655][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640657][ T484] ? rtnl_bridge_getlink+0x850/0x850 [ 29.640658][ T484] ? lock_acquire+0x13c/0x160 [ 29.640659][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640661][ T484] ? is_bpf_text_address+0x3e/0x110 [ 29.640664][ T484] ? is_bpf_text_address+0x72/0x110 [ 29.640666][ T484] ? kernel_text_address+0x149/0x170 [ 29.640667][ T484] ? __kernel_text_address+0x12/0x30 [ 29.640669][ T484] ? write_profile+0xf0/0xf0 [ 29.640670][ T484] ? unwind_get_return_address+0x67/0xd0 [ 29.640671][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640673][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640674][ T484] ? cap_capable+0x1d7/0x3d0 [ 29.640678][ T484] ? lock_acquire+0x13c/0x160 [ 29.640679][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640681][ T484] ? rtnl_bridge_getlink+0x850/0x850 [ 29.640682][ T484] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.640684][ T484] ? rtnl_link_fill+0x920/0x920 [ 29.640685][ T484] ? filter_irq_stacks+0xd0/0xd0 [ 29.640687][ T484] ? stack_depot_save_flags+0x1bc/0x790 [ 29.640689][ T484] netlink_rcv_skb+0x14e/0x3a0 [ 29.640691][ T484] ? rtnl_link_fill+0x920/0x920 [ 29.640692][ T484] ? lock_release+0x184/0x1f0 [ 29.640693][ T484] ? netlink_ack+0xcf0/0xcf0 [ 29.640695][ T484] ? __netlink_lookup+0xb9/0x6b0 [ 29.640697][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640699][ T484] ? lock_release+0x184/0x1f0 [ 29.640701][ T484] netlink_unicast+0x486/0x750 [ 29.640703][ T484] ? netlink_attachskb+0x810/0x810 [ 29.640704][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640706][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640708][ T484] ? lock_acquire+0x13c/0x160 [ 29.640709][ T484] netlink_sendmsg+0x735/0xc60 [ 29.640711][ T484] ? netlink_unicast+0x750/0x750 [ 29.640713][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640715][ T484] ? lock_release+0x184/0x1f0 [ 29.640717][ T484] ____sys_sendmsg+0x415/0x880 [ 29.640719][ T484] ? copy_msghdr_from_user+0x279/0x420 [ 29.640721][ T484] ? get_timestamp.constprop.0+0x390/0x390 [ 29.640722][ T484] ? move_addr_to_kernel+0x40/0x40 [ 29.640724][ T484] ? filter_irq_stacks+0xd0/0xd0 [ 29.640726][ T484] ___sys_sendmsg+0x14e/0x1d0 [ 29.640728][ T484] ? copy_msghdr_from_user+0x420/0x420 [ 29.640733][ T484] __sys_sendmsg+0x12c/0x1d0 [ 29.640735][ T484] ? __sys_sendmsg_sock+0x20/0x20 [ 29.640737][ T484] ? rcu_is_watching+0x16/0xd0 [ 29.640739][ T484] do_syscall_64+0xff/0x530 [ 29.640741][ T484] ? exc_page_fault+0xee/0x100 [ 29.640743][ T484] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.640745][ T484] RIP: 0033:0x7f2af832e54e [ 29.640746][ T484] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 29.640748][ T484] RSP: 002b:00007ffdd4b5d1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.640752][ T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2af832e54e [ 29.640754][ T484] RDX: 0000000000000000 RSI: 00007ffdd4b5d250 RDI: 0000000000000005 [ 29.640755][ T484] RBP: 00007ffdd4b5d1b0 R08: 0000000000000000 R09: 0000000000000000 [ 29.640755][ T484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5fa [ 29.640756][ T484] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd4b5d910 [ 29.640759][ T484] [ 29.672746][ T484] ip (484) used greatest stack depth: 23016 bytes left [ 29.689807][ T485] veth2: left allmulticast mode [ 29.690038][ T485] veth2: left promiscuous mode [ 29.690312][ T485] br1: port 2(veth2) entered disabled state [ 29.711991][ T486] br1: port 1(veth1) entered disabled state [ 29.729191][ T487] veth1: left allmulticast mode [ 29.729441][ T487] veth1: left promiscuous mode [ 29.730132][ T487] br1: port 1(veth1) entered disabled state