[  843.728000] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.731749] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  843.735384] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  843.739028] br0: port 1(veth0) entered blocking state
[  843.739060] br0: port 1(veth0) entered disabled state
[  843.739096] veth0: entered allmulticast mode
[  843.739175] veth0: entered promiscuous mode
[  843.742819] br0: port 2(veth1) entered blocking state
[  843.742850] br0: port 2(veth1) entered disabled state
[  843.742887] veth1: entered allmulticast mode
[  843.742937] veth1: entered promiscuous mode
[  844.741265] br0: port 1(veth0) entered blocking state
[  844.741322] br0: port 1(veth0) entered forwarding state
[  844.741369] br0: port 2(veth1) entered blocking state
[  844.741396] br0: port 2(veth1) entered forwarding state
[  846.789214] bond0: (slave veth0): link status definitely up
[  846.789292] bond0: (slave veth1): link status definitely up
[  846.789343] bond0: (slave veth0): making interface the new active one
[  846.789397] bond0: active interface up!
[  846.897836] veth1: left allmulticast mode
[  846.897879] veth1: left promiscuous mode
[  846.897913] br0: port 2(veth1) entered disabled state
[  846.898017] veth0: left allmulticast mode
[  846.898043] veth0: left promiscuous mode
[  846.898066] br0: port 1(veth0) entered disabled state
[  846.907462] bond0: (slave veth1): Releasing backup interface
[  846.909325] bond0: (slave veth0): Releasing backup interface
[  846.940263] bond0 (unregistering): Released all slaves