[  521.983002] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.997187] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  522.010677] br0: port 1(veth0) entered blocking state
[  522.010732] br0: port 1(veth0) entered disabled state
[  522.010814] veth0: entered allmulticast mode
[  522.010889] veth0: entered promiscuous mode
[  522.025118] br0: port 2(veth1) entered blocking state
[  522.025174] br0: port 2(veth1) entered disabled state
[  522.025219] veth1: entered allmulticast mode
[  522.025291] veth1: entered promiscuous mode
[  523.002812] br0: port 1(veth0) entered blocking state
[  523.002881] br0: port 1(veth0) entered forwarding state
[  523.002954] br0: port 2(veth1) entered blocking state
[  523.003001] br0: port 2(veth1) entered forwarding state
[  525.050864] bond0: (slave veth0): link status definitely up
[  525.050967] bond0: (slave veth1): link status definitely up
[  525.051007] bond0: (slave veth0): making interface the new active one
[  525.051058] bond0: active interface up!
[  525.131986] veth1: left allmulticast mode
[  525.132030] veth1: left promiscuous mode
[  525.132069] br0: port 2(veth1) entered disabled state
[  525.132172] veth0: left allmulticast mode
[  525.132204] veth0: left promiscuous mode
[  525.132242] br0: port 1(veth0) entered disabled state
[  525.157039] bond0: (slave veth1): Releasing backup interface
[  525.164016] bond0: (slave veth0): Releasing backup interface