[  521.599253] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.616081] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.631891] br0: port 1(veth0) entered blocking state
[  521.631947] br0: port 1(veth0) entered disabled state
[  521.631991] veth0: entered allmulticast mode
[  521.632062] veth0: entered promiscuous mode
[  521.647452] br0: port 2(veth1) entered blocking state
[  521.647509] br0: port 2(veth1) entered disabled state
[  521.647549] veth1: entered allmulticast mode
[  521.647616] veth1: entered promiscuous mode
[  521.793773] br0: port 1(veth0) entered blocking state
[  521.793879] br0: port 1(veth0) entered forwarding state
[  521.793961] br0: port 2(veth1) entered blocking state
[  521.794002] br0: port 2(veth1) entered forwarding state
[  523.641697] bond0: (slave veth1): link status definitely up
[  523.641811] bond0: (slave veth1): making interface the new active one
[  523.641880] bond0: active interface up!
[  523.770292] veth1: left allmulticast mode
[  523.770351] veth1: left promiscuous mode
[  523.770404] br0: port 2(veth1) entered disabled state
[  523.770513] veth0: left allmulticast mode
[  523.770554] veth0: left promiscuous mode
[  523.770600] br0: port 1(veth0) entered disabled state
[  523.793291] bond0: (slave veth1): Releasing backup interface
[  523.798807] bond0: (slave veth0): Releasing backup interface
[  523.822841] bond0 (unregistering): Released all slaves