[  537.305580] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  537.316260] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  537.326411] br0: port 1(veth0) entered blocking state
[  537.326475] br0: port 1(veth0) entered disabled state
[  537.326537] veth0: entered allmulticast mode
[  537.326641] veth0: entered promiscuous mode
[  537.336622] br0: port 2(veth1) entered blocking state
[  537.336710] br0: port 2(veth1) entered disabled state
[  537.336762] veth1: entered allmulticast mode
[  537.336850] veth1: entered promiscuous mode
[  538.298958] br0: port 1(veth0) entered blocking state
[  538.299086] br0: port 1(veth0) entered forwarding state
[  538.299176] br0: port 2(veth1) entered blocking state
[  538.299234] br0: port 2(veth1) entered forwarding state
[  539.322948] bond0: (slave veth1): link status definitely up
[  539.323025] bond0: (slave veth1): making interface the new active one
[  539.323104] bond0: active interface up!
[  539.372421] veth1: left allmulticast mode
[  539.372473] veth1: left promiscuous mode
[  539.372539] br0: port 2(veth1) entered disabled state
[  539.372658] veth0: left allmulticast mode
[  539.372689] veth0: left promiscuous mode
[  539.372743] br0: port 1(veth0) entered disabled state
[  539.394159] bond0: (slave veth1): Releasing backup interface
[  539.400067] bond0: (slave veth0): Releasing backup interface
[  539.428144] bond0 (unregistering): Released all slaves