[  720.574795] bond0: (slave eth0): making interface the new active one
[  720.574907] bond0: (slave eth0): Enslaving as an active interface with an up link
[  720.594320] 8021q: adding VLAN 0 to HW filter on device bond0
[  724.788082] bond0: (slave eth0): Releasing backup interface
[  724.863271] bond0: (slave eth0): Enslaving as an active interface with an up link
[  724.887980] 8021q: adding VLAN 0 to HW filter on device bond0
[  729.014222] bond0: (slave eth0): Releasing backup interface
[  729.042154] bond0 (unregistering): Released all slaves