[ 11.200405][ T215] ns3br1: port 1(ns3eth1) entered blocking state [ 11.200468][ T215] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.200470][ T215] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 215, name: ip [ 11.200471][ T215] preempt_count: 1, expected: 0 [ 11.200472][ T215] RCU nest depth: 0, expected: 0 [ 11.200474][ T215] locks held by ip/215: 5, last CPU#3: [ 11.200476][ T215] #0: ffffffffaf0e3740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.200487][ T215] #1: ffffffffae979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.200494][ T215] #2: ffffffffae979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.200497][ T215] #3: ffffffffae899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.200501][ T215] #4: ffffffffae899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.200504][ T215] irq event stamp: 21936 [ 11.200505][ T215] hardirqs last enabled at (21935): [] __down_trylock_console_sem+0x86/0xa0 [ 11.200508][ T215] hardirqs last disabled at (21936): [] console_emit_next_record+0x3d4/0x4c0 [ 11.200510][ T215] softirqs last enabled at (21864): [] addrconf_permanent_addr+0x2b1/0x9c0 [ 11.200513][ T215] softirqs last disabled at (21862): [] addrconf_permanent_addr+0x108/0x9c0 [ 11.200516][ T215] Preemption disabled at: [ 11.200517][ T215] [] vprintk_emit+0x31b/0x3e0 [ 11.200522][ T215] CPU: 3 UID: 0 PID: 215 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.200526][ T215] Tainted: [W]=WARN [ 11.200527][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.200528][ T215] Call Trace: [ 11.200530][ T215] [ 11.200531][ T215] dump_stack_lvl+0x6f/0xa0 [ 11.200537][ T215] ? vprintk_emit+0x31b/0x3e0 [ 11.200539][ T215] __might_resched.cold+0x1fe/0x2c1 [ 11.200543][ T215] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.200547][ T215] ? __kmalloc_noprof+0xdb/0x760 [ 11.200552][ T215] __kmalloc_noprof+0x443/0x760 [ 11.200554][ T215] ? alloc_buf.isra.0+0x4b/0x260 [ 11.200559][ T215] ? do_raw_spin_unlock+0x59/0x250 [ 11.200562][ T215] alloc_buf.isra.0+0x4b/0x260 [ 11.200565][ T215] put_chars+0x1e1/0x2f0 [ 11.200568][ T215] ? __send_to_port+0x420/0x420 [ 11.200570][ T215] ? check_prev_add+0x316/0xe90 [ 11.200574][ T215] ? validate_chain+0x34a/0xc20 [ 11.200577][ T215] hvc_console_print+0x292/0x780 [ 11.200580][ T215] ? mark_usage+0x61/0x170 [ 11.200582][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200584][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200588][ T215] ? hvc_write+0x3a0/0x3a0 [ 11.200589][ T215] ? lock_acquire.part.0+0xd4/0x280 [ 11.200593][ T215] ? lock_acquire+0x13c/0x160 [ 11.200597][ T215] console_emit_next_record+0x22f/0x4c0 [ 11.200600][ T215] ? devkmsg_read+0x4b0/0x4b0 [ 11.200602][ T215] ? console_flush_one_record+0x106/0x710 [ 11.200605][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200609][ T215] ? lock_acquire+0x13c/0x160 [ 11.200613][ T215] console_flush_one_record+0x46f/0x710 [ 11.200617][ T215] ? console_emit_next_record+0x4c0/0x4c0 [ 11.200618][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200623][ T215] console_unlock+0xee/0x1f0 [ 11.200626][ T215] ? console_flush_one_record+0x710/0x710 [ 11.200628][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200630][ T215] ? lock_acquire+0x60/0x160 [ 11.200634][ T215] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.200635][ T215] ? vprintk_emit+0x320/0x3e0 [ 11.200638][ T215] vprintk_emit+0x37c/0x3e0 [ 11.200644][ T215] ? wake_up_klogd_work_func+0x90/0x90 [ 11.200646][ T215] ? __lock_release.isra.0+0x69/0x1a0 [ 11.200648][ T215] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.200651][ T215] ? mark_held_locks+0x40/0x70 [ 11.200654][ T215] _printk+0xc7/0x100 [ 11.200658][ T215] ? snapshot_read.cold+0x21/0x21 [ 11.200661][ T215] ? br_multicast_flood+0x960/0x960 [ 11.200663][ T215] ? do_setlink.isra.0+0xa31/0x2750 [ 11.200665][ T215] ? rtnl_newlink+0x9f1/0x11c0 [ 11.200666][ T215] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.200670][ T215] br_set_state+0x22f/0x410 [ 11.200673][ T215] br_init_port+0xc4/0x200 [ 11.200676][ T215] new_nbp+0x39c/0x580 [ 11.200679][ T215] br_add_if+0x212/0x1360 [ 11.200682][ T215] ? kernel_text_address+0x149/0x170 [ 11.200685][ T215] ? __kernel_text_address+0x12/0x30 [ 11.200689][ T215] do_set_master+0x357/0x580 [ 11.200690][ T215] ? netif_change_flags+0xfe/0x190 [ 11.200698][ T215] do_setlink.isra.0+0xa31/0x2750 [ 11.200701][ T215] ? stack_trace_save+0x93/0xc0 [ 11.200704][ T215] ? rtnl_link_get_size+0x350/0x350 [ 11.200705][ T215] ? rcu_read_lock_any_held+0x66/0x90 [ 11.200707][ T215] ? stack_depot_save_flags+0x38e/0x790 [ 11.200711][ T215] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.200714][ T215] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.200715][ T215] ? validate_chain+0x38b/0xc20 [ 11.200718][ T215] ? kasan_save_stack+0x3d/0x50 [ 11.200721][ T215] ? kasan_save_stack+0x2f/0x50 [ 11.200722][ T215] ? kasan_save_track+0x14/0x30 [ 11.200725][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200727][ T215] ? __netlink_deliver_tap+0x24e/0x9b0 [ 11.200730][ T215] ? ___sys_sendmsg+0x70/0x1d0 [ 11.200735][ T215] ? lock_acquire.part.0+0xd4/0x280 [ 11.200737][ T215] ? rtnl_newlink+0x9a8/0x11c0 [ 11.200739][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200742][ T215] ? lock_acquire+0x13c/0x160 [ 11.200743][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200745][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200747][ T215] ? trace_contention_end+0xb3/0x180 [ 11.200751][ T215] ? __mutex_lock+0x1db/0x1ea0 [ 11.200753][ T215] ? __mutex_lock+0x9a3/0x1ea0 [ 11.200755][ T215] ? rtnl_newlink+0x9a8/0x11c0 [ 11.200759][ T215] ? ww_mutex_lock+0x160/0x160 [ 11.200761][ T215] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.200765][ T215] ? __rtnl_newlink+0x3fa/0xa50 [ 11.200770][ T215] rtnl_newlink+0x9f1/0x11c0 [ 11.200775][ T215] ? rtnl_bridge_getlink+0x850/0x850 [ 11.200777][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200782][ T215] ? lock_acquire.part.0+0xd4/0x280 [ 11.200783][ T215] ? find_held_lock+0x2b/0x80 [ 11.200785][ T215] ? rtnl_bridge_getlink+0x850/0x850 [ 11.200787][ T215] ? __lock_release.isra.0+0x69/0x1a0 [ 11.200791][ T215] ? rtnl_bridge_getlink+0x850/0x850 [ 11.200793][ T215] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.200796][ T215] ? rtnl_link_fill+0x920/0x920 [ 11.200797][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200801][ T215] ? lock_acquire.part.0+0xd4/0x280 [ 11.200803][ T215] ? find_held_lock+0x2b/0x80 [ 11.200806][ T215] netlink_rcv_skb+0x14e/0x3a0 [ 11.200808][ T215] ? rtnl_link_fill+0x920/0x920 [ 11.200811][ T215] ? netlink_ack+0xcf0/0xcf0 [ 11.200817][ T215] ? netlink_deliver_tap+0xc5/0x330 [ 11.200819][ T215] ? netlink_deliver_tap+0x13c/0x330 [ 11.200823][ T215] netlink_unicast+0x486/0x750 [ 11.200827][ T215] ? netlink_attachskb+0x810/0x810 [ 11.200830][ T215] ? __lock_acquire+0x518/0xc20 [ 11.200834][ T215] netlink_sendmsg+0x735/0xc60 [ 11.200838][ T215] ? netlink_unicast+0x750/0x750 [ 11.200841][ T215] ? __might_fault+0x97/0x140 [ 11.200847][ T215] ____sys_sendmsg+0x415/0x880 [ 11.200849][ T215] ? copy_msghdr_from_user+0x279/0x420 [ 11.200851][ T215] ? get_timestamp.constprop.0+0x390/0x390 [ 11.200853][ T215] ? move_addr_to_kernel+0x40/0x40 [ 11.200860][ T215] ___sys_sendmsg+0x14e/0x1d0 [ 11.200863][ T215] ? copy_msghdr_from_user+0x420/0x420 [ 11.200878][ T215] __sys_sendmsg+0x12c/0x1d0 [ 11.200881][ T215] ? __sys_sendmsg_sock+0x20/0x20 [ 11.200887][ T215] ? rcu_is_watching+0x16/0xd0 [ 11.200890][ T215] do_syscall_64+0xff/0x530 [ 11.200893][ T215] ? exc_page_fault+0xee/0x100 [ 11.200896][ T215] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.200898][ T215] RIP: 0033:0x7f1da5ccb54e [ 11.200901][ T215] 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 [ 11.200903][ T215] RSP: 002b:00007ffc959273d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.200906][ T215] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1da5ccb54e [ 11.200907][ T215] RDX: 0000000000000000 RSI: 00007ffc95927480 RDI: 0000000000000005 [ 11.200908][ T215] RBP: 00007ffc959273e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.200909][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911ea6 [ 11.200910][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95927b50 [ 11.200916][ T215] [ 11.238035][ T215] ns3br1: port 1(ns3eth1) entered disabled state [ 11.238386][ T215] ns3eth1: entered allmulticast mode [ 11.239653][ T215] ns3eth1: entered promiscuous mode [ 11.241384][ T202] ns3br1: port 1(ns3eth1) entered blocking state [ 11.241782][ T202] ns3br1: port 1(ns3eth1) entered forwarding state [ 11.247765][ T215] ip (215) used greatest stack depth: 23336 bytes left [ 11.267917][ T216] ns3br1: port 2(ns3eth2) entered blocking state [ 11.268227][ T216] ns3br1: port 2(ns3eth2) entered disabled state [ 11.268538][ T216] ns3eth2: entered allmulticast mode [ 11.269659][ T216] ns3eth2: entered promiscuous mode [ 11.302108][ T217] ns3br1: port 3(ns3eth3) entered blocking state [ 11.302406][ T217] ns3br1: port 3(ns3eth3) entered disabled state [ 11.302720][ T217] ns3eth3: entered allmulticast mode [ 11.303690][ T217] ns3eth3: entered promiscuous mode [ 11.330780][ T202] ns3br1: port 2(ns3eth2) entered blocking state [ 11.331044][ T202] ns3br1: port 2(ns3eth2) entered forwarding state [ 11.361985][ T38] ns3br1: port 3(ns3eth3) entered blocking state [ 11.362251][ T38] ns3br1: port 3(ns3eth3) entered forwarding state [ 11.713843][ T231] ns1eth1: entered promiscuous mode [ 11.714722][ T231] ns1eth2: entered promiscuous mode [ 11.754370][ T232] ns2eth1: entered promiscuous mode [ 11.755128][ T232] ns2eth2: entered promiscuous mode [ 11.755688][ T232] ns2eth3: entered promiscuous mode [ 24.728200][ T71] ns1eth1: left promiscuous mode [ 24.728252][ T71] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.728254][ T71] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 71, name: kworker/u16:1 [ 24.728256][ T71] preempt_count: 1, expected: 0 [ 24.728257][ T71] RCU nest depth: 0, expected: 0 [ 24.728258][ T71] locks held by kworker/u16:1/71: 8, last CPU#1: [ 24.728260][ T71] #0: ff11000001a09d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 24.728271][ T71] #1: ffa00000004c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 24.728275][ T71] #2: ffffffffaf0c7a88 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x890 [ 24.728280][ T71] #3: ffffffffaf0e3740 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0x9a/0x600 [ 24.728284][ T71] #4: ffffffffae979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.728289][ T71] #5: ffffffffae979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.728294][ T71] #6: ffffffffae899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.728298][ T71] #7: ffffffffae899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.728301][ T71] irq event stamp: 28602 [ 24.728302][ T71] hardirqs last enabled at (28601): [] __down_trylock_console_sem+0x86/0xa0 [ 24.728305][ T71] hardirqs last disabled at (28602): [] console_emit_next_record+0x3d4/0x4c0 [ 24.728307][ T71] softirqs last enabled at (28474): [] tcp_close+0x2b/0xb0 [ 24.728310][ T71] softirqs last disabled at (28472): [] release_sock+0x21/0x240 [ 24.728313][ T71] Preemption disabled at: [ 24.728313][ T71] [] vprintk_emit+0x31b/0x3e0 [ 24.728319][ T71] CPU: 1 UID: 0 PID: 71 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.728323][ T71] Tainted: [W]=WARN [ 24.728324][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.728325][ T71] Workqueue: netns cleanup_net [ 24.728328][ T71] Call Trace: [ 24.728330][ T71] [ 24.728332][ T71] dump_stack_lvl+0x6f/0xa0 [ 24.728338][ T71] ? vprintk_emit+0x31b/0x3e0 [ 24.728340][ T71] __might_resched.cold+0x1fe/0x2c1 [ 24.728344][ T71] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.728348][ T71] ? __kmalloc_noprof+0xdb/0x760 [ 24.728353][ T71] __kmalloc_noprof+0x443/0x760 [ 24.728355][ T71] ? alloc_buf.isra.0+0x4b/0x260 [ 24.728361][ T71] ? do_raw_spin_unlock+0x59/0x250 [ 24.728364][ T71] alloc_buf.isra.0+0x4b/0x260 [ 24.728367][ T71] put_chars+0x1e1/0x2f0 [ 24.728369][ T71] ? check_prev_add+0xef/0xe90 [ 24.728372][ T71] ? __send_to_port+0x420/0x420 [ 24.728375][ T71] ? validate_chain+0x34a/0xc20 [ 24.728380][ T71] hvc_console_print+0x292/0x780 [ 24.728386][ T71] ? hvc_write+0x3a0/0x3a0 [ 24.728389][ T71] ? rcu_is_watching+0x16/0xd0 [ 24.728393][ T71] ? lock_acquire+0x13c/0x160 [ 24.728397][ T71] console_emit_next_record+0x22f/0x4c0 [ 24.728401][ T71] ? devkmsg_read+0x4b0/0x4b0 [ 24.728402][ T71] ? console_flush_one_record+0x106/0x710 [ 24.728406][ T71] ? rcu_is_watching+0x16/0xd0 [ 24.728408][ T71] ? lock_acquire+0x13c/0x160 [ 24.728412][ T71] console_flush_one_record+0x46f/0x710 [ 24.728416][ T71] ? console_emit_next_record+0x4c0/0x4c0 [ 24.728418][ T71] ? __lock_acquire+0x518/0xc20 [ 24.728423][ T71] console_unlock+0xee/0x1f0 [ 24.728426][ T71] ? console_flush_one_record+0x710/0x710 [ 24.728428][ T71] ? rcu_is_watching+0x16/0xd0 [ 24.728430][ T71] ? lock_acquire+0x60/0x160 [ 24.728434][ T71] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.728435][ T71] ? vprintk_emit+0x320/0x3e0 [ 24.728439][ T71] vprintk_emit+0x37c/0x3e0 [ 24.728442][ T71] ? wake_up_klogd_work_func+0x90/0x90 [ 24.728445][ T71] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.728447][ T71] ? lockdep_hardirqs_on+0x91/0x130 [ 24.728450][ T71] ? finish_task_switch.isra.0+0x209/0xa70 [ 24.728452][ T71] ? finish_task_switch.isra.0+0x209/0xa70 [ 24.728455][ T71] _printk+0xc7/0x100 [ 24.728458][ T71] ? snapshot_read.cold+0x21/0x21 [ 24.728461][ T71] ? synchronize_rcu_expedited+0x440/0x510 [ 24.728464][ T71] ? netdev_name+0x43/0x60 [ 24.728467][ T71] ? __netdev_printk+0x17f/0x1d0 [ 24.728471][ T71] netdev_info+0xe2/0x116 [ 24.728473][ T71] ? netdev_notice+0x120/0x120 [ 24.728476][ T71] ? synchronize_rcu_expedited+0x440/0x510 [ 24.728478][ T71] ? netif_set_mtu_ext+0x5f0/0x5f0 [ 24.728480][ T71] ? synchronize_rcu_normal+0x340/0x340 [ 24.728484][ T71] ? mutex_is_locked+0x1c/0x50 [ 24.728487][ T71] __dev_set_promiscuity.cold+0x95/0x104 [ 24.728490][ T71] ? sync_rcu_exp_select_cpus+0x700/0x700 [ 24.728493][ T71] netif_set_promiscuity+0x4c/0xc0 [ 24.728497][ T71] dev_set_promiscuity+0x9d/0x150 [ 24.728500][ T71] hsr_del_port+0x39d/0x540 [ 24.728505][ T71] hsr_del_ports+0x24/0x80 [ 24.728507][ T71] hsr_dellink+0x5d/0x90 [ 24.728510][ T71] default_device_exit_batch+0x19d/0x600 [ 24.728513][ T71] ? unregister_netdevice_queue+0x470/0x470 [ 24.728516][ T71] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.728518][ T71] ? mutex_is_locked+0x1c/0x50 [ 24.728522][ T71] ops_undo_list+0x2ce/0x8f0 [ 24.728526][ T71] ? lockdep_hardirqs_on+0x91/0x130 [ 24.728528][ T71] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 24.728530][ T71] ? __lock_release.isra.0+0x69/0x1a0 [ 24.728533][ T71] ? idr_destroy+0x121/0x250 [ 24.728537][ T71] cleanup_net+0x431/0x890 [ 24.728540][ T71] ? net_passive_dec+0x230/0x230 [ 24.728544][ T71] ? lock_acquire+0x13c/0x160 [ 24.728546][ T71] ? rcu_is_watching+0x16/0xd0 [ 24.728550][ T71] process_one_work+0xe3e/0x1560 [ 24.728556][ T71] ? __queue_delayed_work+0x470/0x470 [ 24.728559][ T71] ? lock_acquire.part.0+0xd4/0x280 [ 24.728566][ T71] worker_thread+0x4f1/0xd60 [ 24.728570][ T71] ? rescuer_thread+0x1340/0x1340 [ 24.728572][ T71] ? __kthread_parkme+0xbd/0x210 [ 24.728575][ T71] ? rescuer_thread+0x1340/0x1340 [ 24.728578][ T71] ? rescuer_thread+0x1340/0x1340 [ 24.728580][ T71] kthread+0x367/0x460 [ 24.728582][ T71] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 24.728585][ T71] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.728587][ T71] ret_from_fork+0x474/0x6b0 [ 24.728591][ T71] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.728594][ T71] ? __switch_to+0x5a3/0xe00 [ 24.728597][ T71] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.728600][ T71] ret_from_fork_asm+0x11/0x20 [ 24.728609][ T71] [ 24.761959][ T71] ns1eth2: left promiscuous mode [ 24.773016][ T71] ns2eth2 (unregistering): left promiscuous mode [ 24.777276][ T71] ns2eth1 (unregistering): left promiscuous mode [ 24.885174][ T71] ns2eth3: left promiscuous mode [ 24.894261][ T71] ns3br1: port 1(ns3eth1) entered disabled state [ 24.907114][ T71] ns3eth1 (unregistering): left allmulticast mode [ 24.907437][ T71] ns3eth1 (unregistering): left promiscuous mode [ 24.907737][ T71] ns3br1: port 1(ns3eth1) entered disabled state [ 24.999864][ T71] ns3eth3: left allmulticast mode [ 25.000134][ T71] ns3eth3: left promiscuous mode [ 25.000477][ T71] ns3br1: port 3(ns3eth3) entered disabled state [ 25.007656][ T71] ns3eth2: left allmulticast mode [ 25.007888][ T71] ns3eth2: left promiscuous mode [ 25.008178][ T71] ns3br1: port 2(ns3eth2) entered disabled state