[  521.109486] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.166410] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.211004] br0: port 1(veth0) entered blocking state
[  521.226592] br0: port 1(veth0) entered disabled state
[  521.226795] veth0: entered allmulticast mode
[  521.226993] veth0: entered promiscuous mode
[  521.266860] br0: port 2(veth1) entered blocking state
[  521.266982] br0: port 2(veth1) entered disabled state
[  521.267031] veth1: entered allmulticast mode
[  521.267139] veth1: entered promiscuous mode
[  522.043758] br0: port 1(veth0) entered blocking state
[  522.069791] br0: port 1(veth0) entered forwarding state
[  522.071871] br0: port 2(veth1) entered blocking state
[  522.080955] br0: port 2(veth1) entered forwarding state
[  523.131736] bond0: (slave veth1): link status definitely up
[  523.131837] bond0: (slave veth1): making interface the new active one
[  523.131928] bond0: active interface up!
[  523.215388] veth1: left allmulticast mode
[  523.215459] veth1: left promiscuous mode
[  523.215513] br0: port 2(veth1) entered disabled state
[  523.215701] veth0: left allmulticast mode
[  523.215771] veth0: left promiscuous mode
[  523.215842] br0: port 1(veth0) entered disabled state
[  523.258172] bond0: (slave veth1): Releasing backup interface
[  523.276040] bond0: (slave veth0): Releasing backup interface
[  523.301044] bond0 (unregistering): Released all slaves