[  521.398596] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.414455] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.429993] br0: port 1(veth0) entered blocking state
[  521.430053] br0: port 1(veth0) entered disabled state
[  521.430105] veth0: entered allmulticast mode
[  521.430186] veth0: entered promiscuous mode
[  521.445636] br0: port 2(veth1) entered blocking state
[  521.445700] br0: port 2(veth1) entered disabled state
[  521.445738] veth1: entered allmulticast mode
[  521.445805] veth1: entered promiscuous mode
[  522.363783] br0: port 1(veth0) entered blocking state
[  522.363909] br0: port 1(veth0) entered forwarding state
[  522.363996] br0: port 2(veth1) entered blocking state
[  522.364056] br0: port 2(veth1) entered forwarding state
[  523.451751] bond0: (slave veth1): link status definitely up
[  523.451861] bond0: (slave veth1): making interface the new active one
[  523.451952] bond0: active interface up!
[  523.595149] veth1: left allmulticast mode
[  523.595226] veth1: left promiscuous mode
[  523.595288] br0: port 2(veth1) entered disabled state
[  523.595437] veth0: left allmulticast mode
[  523.595482] veth0: left promiscuous mode
[  523.595543] br0: port 1(veth0) entered disabled state
[  523.628998] bond0: (slave veth1): Releasing backup interface
[  523.635888] bond0: (slave veth0): Releasing backup interface
[  523.667935] bond0 (unregistering): Released all slaves