[  521.383265] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.394781] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.405789] br0: port 1(veth0) entered blocking state
[  521.405848] br0: port 1(veth0) entered disabled state
[  521.405897] veth0: entered allmulticast mode
[  521.405971] veth0: entered promiscuous mode
[  521.417641] br0: port 2(veth1) entered blocking state
[  521.417712] br0: port 2(veth1) entered disabled state
[  521.417762] veth1: entered allmulticast mode
[  521.417835] veth1: entered promiscuous mode
[  522.365166] br0: port 1(veth0) entered blocking state
[  522.365296] br0: port 1(veth0) entered forwarding state
[  522.365394] br0: port 2(veth1) entered blocking state
[  522.365447] br0: port 2(veth1) entered forwarding state
[  523.453141] bond0: (slave veth1): link status definitely up
[  523.453251] bond0: (slave veth1): making interface the new active one
[  523.453333] bond0: active interface up!
[  523.594733] veth1: left allmulticast mode
[  523.594793] veth1: left promiscuous mode
[  523.594884] br0: port 2(veth1) entered disabled state
[  523.595068] veth0: left allmulticast mode
[  523.595152] veth0: left promiscuous mode
[  523.595211] br0: port 1(veth0) entered disabled state
[  523.616410] bond0: (slave veth1): Releasing backup interface
[  523.635380] bond0: (slave veth0): Releasing backup interface