[  838.288109] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.291858] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.295582] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.299188] br0: port 1(veth0) entered blocking state
[  838.299219] br0: port 1(veth0) entered disabled state
[  838.299253] veth0: entered allmulticast mode
[  838.299305] veth0: entered promiscuous mode
[  838.302955] br0: port 2(veth1) entered blocking state
[  838.302989] br0: port 2(veth1) entered disabled state
[  838.303016] veth1: entered allmulticast mode
[  838.303062] veth1: entered promiscuous mode
[  839.308435] br0: port 1(veth0) entered blocking state
[  839.308480] br0: port 1(veth0) entered forwarding state
[  839.308521] br0: port 2(veth1) entered blocking state
[  839.308554] br0: port 2(veth1) entered forwarding state
[  840.331438] bond0: (slave veth1): link status definitely up
[  840.331517] bond0: (slave veth1): making interface the new active one
[  840.331580] bond0: active interface up!
[  840.363834] veth1: left allmulticast mode
[  840.363862] veth1: left promiscuous mode
[  840.363893] br0: port 2(veth1) entered disabled state
[  840.364031] veth0: left allmulticast mode
[  840.364050] veth0: left promiscuous mode
[  840.364076] br0: port 1(veth0) entered disabled state
[  840.368711] bond0: (slave veth1): Releasing backup interface
[  840.373559] bond0: (slave veth0): Releasing backup interface
[  840.403466] bond0 (unregistering): Released all slaves