[  521.638879] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.657581] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.675051] br0: port 1(veth0) entered blocking state
[  521.675129] br0: port 1(veth0) entered disabled state
[  521.675197] veth0: entered allmulticast mode
[  521.675285] veth0: entered promiscuous mode
[  521.693455] br0: port 2(veth1) entered blocking state
[  521.693530] br0: port 2(veth1) entered disabled state
[  521.693586] veth1: entered allmulticast mode
[  521.693680] veth1: entered promiscuous mode
[  521.847763] br0: port 1(veth0) entered blocking state
[  521.847900] br0: port 1(veth0) entered forwarding state
[  521.847991] br0: port 2(veth1) entered blocking state
[  521.848050] br0: port 2(veth1) entered forwarding state
[  523.703657] bond0: (slave veth1): link status definitely up
[  523.703728] bond0: (slave veth1): making interface the new active one
[  523.703809] bond0: active interface up!
[  523.853105] veth1: left allmulticast mode
[  523.853161] veth1: left promiscuous mode
[  523.853208] br0: port 2(veth1) entered disabled state
[  523.853318] veth0: left allmulticast mode
[  523.853363] veth0: left promiscuous mode
[  523.853402] br0: port 1(veth0) entered disabled state
[  523.870329] bond0: (slave veth1): Releasing backup interface
[  523.873866] bond0: (slave veth0): Releasing backup interface
[  523.911947] bond0 (unregistering): Released all slaves