[  521.076340] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.094315] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.110560] br0: port 1(veth0) entered blocking state
[  521.110619] br0: port 1(veth0) entered disabled state
[  521.110678] veth0: entered allmulticast mode
[  521.110767] veth0: entered promiscuous mode
[  521.127508] br0: port 2(veth1) entered blocking state
[  521.127576] br0: port 2(veth1) entered disabled state
[  521.127685] veth1: entered allmulticast mode
[  521.127773] veth1: entered promiscuous mode
[  522.042688] br0: port 1(veth0) entered blocking state
[  522.042774] br0: port 1(veth0) entered forwarding state
[  522.042830] br0: port 2(veth1) entered blocking state
[  522.042864] br0: port 2(veth1) entered forwarding state
[  523.130696] bond0: (slave veth1): link status definitely up
[  523.130788] bond0: (slave veth1): making interface the new active one
[  523.130843] bond0: active interface up!
[  523.227167] veth1: left allmulticast mode
[  523.227230] veth1: left promiscuous mode
[  523.227277] br0: port 2(veth1) entered disabled state
[  523.227385] veth0: left allmulticast mode
[  523.227430] veth0: left promiscuous mode
[  523.227480] br0: port 1(veth0) entered disabled state
[  523.251978] bond0: (slave veth1): Releasing backup interface
[  523.259870] bond0: (slave veth0): Releasing backup interface
[  523.289823] bond0 (unregistering): Released all slaves