[  748.523448] 8021q: adding VLAN 0 to HW filter on device bond0
[  748.534404] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  748.546516] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  748.558627] br0: port 1(veth0) entered blocking state
[  748.558701] br0: port 1(veth0) entered disabled state
[  748.558766] veth0: entered allmulticast mode
[  748.558850] veth0: entered promiscuous mode
[  748.569843] br0: port 2(veth1) entered blocking state
[  748.569942] br0: port 2(veth1) entered disabled state
[  748.570007] veth1: entered allmulticast mode
[  748.570101] veth1: entered promiscuous mode
[  749.532963] br0: port 1(veth0) entered blocking state
[  749.533066] br0: port 1(veth0) entered forwarding state
[  749.533156] br0: port 2(veth1) entered blocking state
[  749.533211] br0: port 2(veth1) entered forwarding state
[  751.581006] bond0: (slave veth0): link status definitely up
[  751.581203] bond0: (slave veth1): link status definitely up
[  751.581266] bond0: (slave veth0): making interface the new active one
[  751.581365] bond0: active interface up!
[  751.693293] veth1: left allmulticast mode
[  751.693400] veth1: left promiscuous mode
[  751.693470] br0: port 2(veth1) entered disabled state
[  751.693656] veth0: left allmulticast mode
[  751.693700] veth0: left promiscuous mode
[  751.693744] br0: port 1(veth0) entered disabled state
[  751.719433] bond0: (slave veth1): Releasing backup interface
[  751.728265] bond0: (slave veth0): Releasing backup interface
[  751.754195] bond0 (unregistering): Released all slaves