[  874.646467] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.650010] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.653569] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.657045] br0: port 1(veth0) entered blocking state
[  874.657082] br0: port 1(veth0) entered disabled state
[  874.657115] veth0: entered allmulticast mode
[  874.657178] veth0: entered promiscuous mode
[  874.660663] br0: port 2(veth1) entered blocking state
[  874.660728] br0: port 2(veth1) entered disabled state
[  874.660798] veth1: entered allmulticast mode
[  874.660897] veth1: entered promiscuous mode
[  874.793901] br0: port 1(veth0) entered blocking state
[  874.793945] br0: port 1(veth0) entered forwarding state
[  874.793983] br0: port 2(veth1) entered blocking state
[  874.794015] br0: port 2(veth1) entered forwarding state
[  876.673900] bond0: (slave veth1): link status definitely up
[  876.674008] bond0: (slave veth1): making interface the new active one
[  876.674102] bond0: active interface up!
[  876.715999] veth1: left allmulticast mode
[  876.716073] veth1: left promiscuous mode
[  876.716138] br0: port 2(veth1) entered disabled state
[  876.716289] veth0: left allmulticast mode
[  876.716345] veth0: left promiscuous mode
[  876.716402] br0: port 1(veth0) entered disabled state
[  876.723060] bond0: (slave veth1): Releasing backup interface
[  876.728021] bond0: (slave veth0): Releasing backup interface
[  876.757942] bond0 (unregistering): Released all slaves