[  874.563854] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.567355] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.570817] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.574178] br0: port 1(veth0) entered blocking state
[  874.574211] br0: port 1(veth0) entered disabled state
[  874.574247] veth0: entered allmulticast mode
[  874.574304] veth0: entered promiscuous mode
[  874.577707] br0: port 2(veth1) entered blocking state
[  874.577770] br0: port 2(veth1) entered disabled state
[  874.577839] veth1: entered allmulticast mode
[  874.577927] veth1: entered promiscuous mode
[  875.600715] br0: port 1(veth0) entered blocking state
[  875.600806] br0: port 1(veth0) entered forwarding state
[  875.600895] br0: port 2(veth1) entered blocking state
[  875.600959] br0: port 2(veth1) entered forwarding state
[  876.624679] bond0: (slave veth0): link status definitely up
[  876.624733] bond0: (slave veth1): link status definitely up
[  876.624805] bond0: (slave veth0): making interface the new active one
[  876.624856] bond0: active interface up!
[  876.736614] veth1: left allmulticast mode
[  876.736643] veth1: left promiscuous mode
[  876.736679] br0: port 2(veth1) entered disabled state
[  876.736810] veth0: left allmulticast mode
[  876.736833] veth0: left promiscuous mode
[  876.736860] br0: port 1(veth0) entered disabled state
[  876.745374] bond0: (slave veth1): Releasing backup interface
[  876.750809] bond0: (slave veth0): Releasing backup interface
[  876.782725] bond0 (unregistering): Released all slaves