[  837.593240] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.597184] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.601340] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.605411] br0: port 1(veth0) entered blocking state
[  837.605452] br0: port 1(veth0) entered disabled state
[  837.605481] veth0: entered allmulticast mode
[  837.605539] veth0: entered promiscuous mode
[  837.609260] br0: port 2(veth1) entered blocking state
[  837.609328] br0: port 2(veth1) entered disabled state
[  837.609398] veth1: entered allmulticast mode
[  837.609488] veth1: entered promiscuous mode
[  837.882233] br0: port 1(veth0) entered blocking state
[  837.882316] br0: port 1(veth0) entered forwarding state
[  837.882404] br0: port 2(veth1) entered blocking state
[  837.882471] br0: port 2(veth1) entered forwarding state
[  839.633218] bond0: (slave veth1): link status definitely up
[  839.633299] bond0: (slave veth1): making interface the new active one
[  839.633358] bond0: active interface up!
[  839.670422] veth1: left allmulticast mode
[  839.670455] veth1: left promiscuous mode
[  839.670492] br0: port 2(veth1) entered disabled state
[  839.670657] veth0: left allmulticast mode
[  839.670686] veth0: left promiscuous mode
[  839.670715] br0: port 1(veth0) entered disabled state
[  839.679481] bond0: (slave veth1): Releasing backup interface
[  839.686345] bond0: (slave veth0): Releasing backup interface
[  839.712254] bond0 (unregistering): Released all slaves