[  838.354317] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.358191] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.362270] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.366202] br0: port 1(veth0) entered blocking state
[  838.366245] br0: port 1(veth0) entered disabled state
[  838.366280] veth0: entered allmulticast mode
[  838.366337] veth0: entered promiscuous mode
[  838.370438] br0: port 2(veth1) entered blocking state
[  838.370484] br0: port 2(veth1) entered disabled state
[  838.370523] veth1: entered allmulticast mode
[  838.370589] veth1: entered promiscuous mode
[  839.366267] br0: port 1(veth0) entered blocking state
[  839.366327] br0: port 1(veth0) entered forwarding state
[  839.366372] br0: port 2(veth1) entered blocking state
[  839.366399] br0: port 2(veth1) entered forwarding state
[  840.390241] bond0: (slave veth1): link status definitely up
[  840.390391] bond0: (slave veth1): making interface the new active one
[  840.390462] bond0: active interface up!
[  840.450717] veth1: left allmulticast mode
[  840.450815] veth1: left promiscuous mode
[  840.450873] br0: port 2(veth1) entered disabled state
[  840.451009] veth0: left allmulticast mode
[  840.451072] veth0: left promiscuous mode
[  840.451101] br0: port 1(veth0) entered disabled state
[  840.455487] bond0: (slave veth1): Releasing backup interface
[  840.461295] bond0: (slave veth0): Releasing backup interface
[  840.509289] bond0 (unregistering): Released all slaves