[  550.525006] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  550.538774] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  550.551545] br0: port 1(veth0) entered blocking state
[  550.551608] br0: port 1(veth0) entered disabled state
[  550.551657] veth0: entered allmulticast mode
[  550.551742] veth0: entered promiscuous mode
[  550.566133] br0: port 2(veth1) entered blocking state
[  550.566196] br0: port 2(veth1) entered disabled state
[  550.566242] veth1: entered allmulticast mode
[  550.566328] veth1: entered promiscuous mode
[  551.482610] br0: port 1(veth0) entered blocking state
[  551.482714] br0: port 1(veth0) entered forwarding state
[  551.482775] br0: port 2(veth1) entered blocking state
[  551.482808] br0: port 2(veth1) entered forwarding state
[  552.570576] bond0: (slave veth1): link status definitely up
[  552.570691] bond0: (slave veth1): making interface the new active one
[  552.570748] bond0: active interface up!
[  552.619313] veth1: left allmulticast mode
[  552.619362] veth1: left promiscuous mode
[  552.619405] br0: port 2(veth1) entered disabled state
[  552.619560] veth0: left allmulticast mode
[  552.619623] veth0: left promiscuous mode
[  552.619668] br0: port 1(veth0) entered disabled state
[  552.637886] bond0: (slave veth1): Releasing backup interface
[  552.646756] bond0: (slave veth0): Releasing backup interface