[  521.231301] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.241280] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.250842] br0: port 1(veth0) entered blocking state
[  521.250903] br0: port 1(veth0) entered disabled state
[  521.250955] veth0: entered allmulticast mode
[  521.251027] veth0: entered promiscuous mode
[  521.261309] br0: port 2(veth1) entered blocking state
[  521.261367] br0: port 2(veth1) entered disabled state
[  521.261425] veth1: entered allmulticast mode
[  521.261508] veth1: entered promiscuous mode
[  521.516016] br0: port 1(veth0) entered blocking state
[  521.516165] br0: port 1(veth0) entered forwarding state
[  521.516258] br0: port 2(veth1) entered blocking state
[  521.516301] br0: port 2(veth1) entered forwarding state
[  523.259992] bond0: (slave veth1): link status definitely up
[  523.260122] bond0: (slave veth1): making interface the new active one
[  523.260200] bond0: active interface up!
[  523.310307] veth1: left allmulticast mode
[  523.310369] veth1: left promiscuous mode
[  523.310417] br0: port 2(veth1) entered disabled state
[  523.310563] veth0: left allmulticast mode
[  523.310595] veth0: left promiscuous mode
[  523.310628] br0: port 1(veth0) entered disabled state
[  523.332126] bond0: (slave veth1): Releasing backup interface
[  523.337040] bond0: (slave veth0): Releasing backup interface
[  523.363096] bond0 (unregistering): Released all slaves