[  873.285205] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.288603] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.291963] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.295253] br0: port 1(veth0) entered blocking state
[  873.295283] br0: port 1(veth0) entered disabled state
[  873.295316] veth0: entered allmulticast mode
[  873.295378] veth0: entered promiscuous mode
[  873.298705] br0: port 2(veth1) entered blocking state
[  873.298734] br0: port 2(veth1) entered disabled state
[  873.298768] veth1: entered allmulticast mode
[  873.298825] veth1: entered promiscuous mode
[  873.433468] br0: port 1(veth0) entered blocking state
[  873.433514] br0: port 1(veth0) entered forwarding state
[  873.433560] br0: port 2(veth1) entered blocking state
[  873.433596] br0: port 2(veth1) entered forwarding state
[  875.321484] bond0: (slave veth1): link status definitely up
[  875.321592] bond0: (slave veth1): making interface the new active one
[  875.321654] bond0: active interface up!
[  875.361007] veth1: left allmulticast mode
[  875.361040] veth1: left promiscuous mode
[  875.361077] br0: port 2(veth1) entered disabled state
[  875.361176] veth0: left allmulticast mode
[  875.361201] veth0: left promiscuous mode
[  875.361230] br0: port 1(veth0) entered disabled state
[  875.370983] bond0: (slave veth1): Releasing backup interface
[  875.373614] bond0: (slave veth0): Releasing backup interface
[  875.395530] bond0 (unregistering): Released all slaves