[  521.658726] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.676142] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.694013] br0: port 1(veth0) entered blocking state
[  521.694088] br0: port 1(veth0) entered disabled state
[  521.694150] veth0: entered allmulticast mode
[  521.694238] veth0: entered promiscuous mode
[  521.711876] br0: port 2(veth1) entered blocking state
[  521.711994] br0: port 2(veth1) entered disabled state
[  521.712058] veth1: entered allmulticast mode
[  521.712145] veth1: entered promiscuous mode
[  522.620015] br0: port 1(veth0) entered blocking state
[  522.620102] br0: port 1(veth0) entered forwarding state
[  522.620192] br0: port 2(veth1) entered blocking state
[  522.620240] br0: port 2(veth1) entered forwarding state
[  523.708965] bond0: (slave veth1): link status definitely up
[  523.709036] bond0: (slave veth1): making interface the new active one
[  523.709122] bond0: active interface up!
[  523.866337] veth1: left allmulticast mode
[  523.866395] veth1: left promiscuous mode
[  523.866440] br0: port 2(veth1) entered disabled state
[  523.866592] veth0: left allmulticast mode
[  523.866629] veth0: left promiscuous mode
[  523.866679] br0: port 1(veth0) entered disabled state
[  523.895275] bond0: (slave veth1): Releasing backup interface
[  523.902369] bond0: (slave veth0): Releasing backup interface