[  872.104810] 8021q: adding VLAN 0 to HW filter on device bond0
[  872.108504] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.112121] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.115607] br0: port 1(veth0) entered blocking state
[  872.115677] br0: port 1(veth0) entered disabled state
[  872.115743] veth0: entered allmulticast mode
[  872.115833] veth0: entered promiscuous mode
[  872.119295] br0: port 2(veth1) entered blocking state
[  872.119337] br0: port 2(veth1) entered disabled state
[  872.119370] veth1: entered allmulticast mode
[  872.119431] veth1: entered promiscuous mode
[  872.339469] br0: port 1(veth0) entered blocking state
[  872.339563] br0: port 1(veth0) entered forwarding state
[  872.339645] br0: port 2(veth1) entered blocking state
[  872.339706] br0: port 2(veth1) entered forwarding state
[  874.186467] bond0: (slave veth1): link status definitely up
[  874.186567] bond0: (slave veth1): making interface the new active one
[  874.186636] bond0: active interface up!
[  874.282174] veth1: left allmulticast mode
[  874.282225] veth1: left promiscuous mode
[  874.282311] br0: port 2(veth1) entered disabled state
[  874.282453] veth0: left allmulticast mode
[  874.282513] veth0: left promiscuous mode
[  874.282543] br0: port 1(veth0) entered disabled state
[  874.291055] bond0: (slave veth1): Releasing backup interface
[  874.293585] bond0: (slave veth0): Releasing backup interface
[  874.321538] bond0 (unregistering): Released all slaves