[  770.204606] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.208412] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.212242] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.215921] br0: port 1(veth0) entered blocking state
[  770.216022] br0: port 1(veth0) entered disabled state
[  770.216131] veth0: entered allmulticast mode
[  770.216255] veth0: entered promiscuous mode
[  770.220069] br0: port 2(veth1) entered blocking state
[  770.220139] br0: port 2(veth1) entered disabled state
[  770.220207] veth1: entered allmulticast mode
[  770.220280] veth1: entered promiscuous mode
[  770.243692] br0: port 1(veth0) entered blocking state
[  770.243774] br0: port 1(veth0) entered forwarding state
[  770.243841] br0: port 2(veth1) entered blocking state
[  770.243911] br0: port 2(veth1) entered forwarding state
[  772.281695] bond0: (slave veth1): link status definitely up
[  772.281820] bond0: (slave veth1): making interface the new active one
[  772.281917] bond0: active interface up!
[  772.396632] veth1: left allmulticast mode
[  772.396716] veth1: left promiscuous mode
[  772.396780] br0: port 2(veth1) entered disabled state
[  772.396910] veth0: left allmulticast mode
[  772.396958] veth0: left promiscuous mode
[  772.396981] br0: port 1(veth0) entered disabled state
[  772.412875] bond0: (slave veth1): Releasing backup interface
[  772.419903] bond0: (slave veth0): Releasing backup interface
[  772.456756] bond0 (unregistering): Released all slaves