[  873.977234] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.980870] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.984462] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.988017] br0: port 1(veth0) entered blocking state
[  873.988048] br0: port 1(veth0) entered disabled state
[  873.988082] veth0: entered allmulticast mode
[  873.988145] veth0: entered promiscuous mode
[  873.991682] br0: port 2(veth1) entered blocking state
[  873.991711] br0: port 2(veth1) entered disabled state
[  873.991745] veth1: entered allmulticast mode
[  873.991794] veth1: entered promiscuous mode
[  875.018965] br0: port 1(veth0) entered blocking state
[  875.019033] br0: port 1(veth0) entered forwarding state
[  875.019079] br0: port 2(veth1) entered blocking state
[  875.019111] br0: port 2(veth1) entered forwarding state
[  876.042935] bond0: (slave veth1): link status definitely up
[  876.043009] bond0: (slave veth1): making interface the new active one
[  876.043060] bond0: active interface up!
[  876.150884] veth1: left allmulticast mode
[  876.150914] veth1: left promiscuous mode
[  876.150950] br0: port 2(veth1) entered disabled state
[  876.151035] veth0: left allmulticast mode
[  876.151055] veth0: left promiscuous mode
[  876.151080] br0: port 1(veth0) entered disabled state
[  876.158203] bond0: (slave veth1): Releasing backup interface
[  876.163058] bond0: (slave veth0): Releasing backup interface
[  876.185978] bond0 (unregistering): Released all slaves