[  521.476799] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.489351] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.501558] br0: port 1(veth0) entered blocking state
[  521.501685] br0: port 1(veth0) entered disabled state
[  521.501771] veth0: entered allmulticast mode
[  521.501887] veth0: entered promiscuous mode
[  521.514898] br0: port 2(veth1) entered blocking state
[  521.514978] br0: port 2(veth1) entered disabled state
[  521.515031] veth1: entered allmulticast mode
[  521.515121] veth1: entered promiscuous mode
[  521.833998] br0: port 1(veth0) entered blocking state
[  521.834094] br0: port 1(veth0) entered forwarding state
[  521.834173] br0: port 2(veth1) entered blocking state
[  521.834218] br0: port 2(veth1) entered forwarding state
[  523.512958] bond0: (slave veth1): link status definitely up
[  523.513009] bond0: (slave veth1): making interface the new active one
[  523.513082] bond0: active interface up!
[  523.540085] veth1: left allmulticast mode
[  523.540140] veth1: left promiscuous mode
[  523.540189] br0: port 2(veth1) entered disabled state
[  523.540350] veth0: left allmulticast mode
[  523.540390] veth0: left promiscuous mode
[  523.540435] br0: port 1(veth0) entered disabled state
[  523.558230] bond0: (slave veth1): Releasing backup interface
[  523.568152] bond0: (slave veth0): Releasing backup interface
[  523.607218] bond0 (unregistering): Released all slaves