[  873.835683] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.840247] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.844590] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.848496] br0: port 1(veth0) entered blocking state
[  873.848568] br0: port 1(veth0) entered disabled state
[  873.848644] veth0: entered allmulticast mode
[  873.848746] veth0: entered promiscuous mode
[  873.852916] br0: port 2(veth1) entered blocking state
[  873.852957] br0: port 2(veth1) entered disabled state
[  873.852993] veth1: entered allmulticast mode
[  873.853077] veth1: entered promiscuous mode
[  874.885054] br0: port 1(veth0) entered blocking state
[  874.885109] br0: port 1(veth0) entered forwarding state
[  874.885157] br0: port 2(veth1) entered blocking state
[  874.885191] br0: port 2(veth1) entered forwarding state
[  875.909051] bond0: (slave veth1): link status definitely up
[  875.909137] bond0: (slave veth1): making interface the new active one
[  875.909203] bond0: active interface up!
[  876.023273] veth1: left allmulticast mode
[  876.023311] veth1: left promiscuous mode
[  876.023344] br0: port 2(veth1) entered disabled state
[  876.023477] veth0: left allmulticast mode
[  876.023499] veth0: left promiscuous mode
[  876.023525] br0: port 1(veth0) entered disabled state
[  876.030417] bond0: (slave veth1): Releasing backup interface
[  876.036151] bond0: (slave veth0): Releasing backup interface
[  876.067045] bond0 (unregistering): Released all slaves