[  721.010321] bond0: (slave eth0): making interface the new active one
[  721.010449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  721.030205] 8021q: adding VLAN 0 to HW filter on device bond0
[  725.196851] bond0: (slave eth0): Releasing backup interface
[  725.277278] bond0: (slave eth0): Enslaving as an active interface with an up link
[  725.301217] 8021q: adding VLAN 0 to HW filter on device bond0
[  729.481078] bond0: (slave eth0): Releasing backup interface
[  729.495040] bond0 (unregistering): Released all slaves