[  837.641969] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.645684] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.649471] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.653237] br0: port 1(veth0) entered blocking state
[  837.653299] br0: port 1(veth0) entered disabled state
[  837.653379] veth0: entered allmulticast mode
[  837.653477] veth0: entered promiscuous mode
[  837.657242] br0: port 2(veth1) entered blocking state
[  837.657277] br0: port 2(veth1) entered disabled state
[  837.657312] veth1: entered allmulticast mode
[  837.657369] veth1: entered promiscuous mode
[  838.652923] br0: port 1(veth0) entered blocking state
[  838.652985] br0: port 1(veth0) entered forwarding state
[  838.653030] br0: port 2(veth1) entered blocking state
[  838.653061] br0: port 2(veth1) entered forwarding state
[  839.677923] bond0: (slave veth1): link status definitely up
[  839.678025] bond0: (slave veth1): making interface the new active one
[  839.678091] bond0: active interface up!
[  839.733085] veth1: left allmulticast mode
[  839.733123] veth1: left promiscuous mode
[  839.733157] br0: port 2(veth1) entered disabled state
[  839.733238] veth0: left allmulticast mode
[  839.733260] veth0: left promiscuous mode
[  839.733288] br0: port 1(veth0) entered disabled state
[  839.741075] bond0: (slave veth1): Releasing backup interface
[  839.747026] bond0: (slave veth0): Releasing backup interface
[  839.774951] bond0 (unregistering): Released all slaves