[  520.059043] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  520.074382] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  520.089221] br0: port 1(veth0) entered blocking state
[  520.089291] br0: port 1(veth0) entered disabled state
[  520.089347] veth0: entered allmulticast mode
[  520.089431] veth0: entered promiscuous mode
[  520.104475] br0: port 2(veth1) entered blocking state
[  520.104549] br0: port 2(veth1) entered disabled state
[  520.104601] veth1: entered allmulticast mode
[  520.104697] veth1: entered promiscuous mode
[  520.386748] br0: port 1(veth0) entered blocking state
[  520.386858] br0: port 1(veth0) entered forwarding state
[  520.386926] br0: port 2(veth1) entered blocking state
[  520.386974] br0: port 2(veth1) entered forwarding state
[  522.106740] bond0: (slave veth1): link status definitely up
[  522.106870] bond0: (slave veth1): making interface the new active one
[  522.106945] bond0: active interface up!
[  522.225142] veth1: left allmulticast mode
[  522.225211] veth1: left promiscuous mode
[  522.225269] br0: port 2(veth1) entered disabled state
[  522.225501] veth0: left allmulticast mode
[  522.225567] veth0: left promiscuous mode
[  522.225619] br0: port 1(veth0) entered disabled state
[  522.253960] bond0: (slave veth1): Releasing backup interface
[  522.261876] bond0: (slave veth0): Releasing backup interface