[  721.449077] bond0: (slave eth0): making interface the new active one
[  721.449212] bond0: (slave eth0): Enslaving as an active interface with an up link
[  721.471216] 8021q: adding VLAN 0 to HW filter on device bond0
[  725.618772] bond0: (slave eth0): Releasing backup interface
[  725.685457] bond0: (slave eth0): Enslaving as an active interface with an up link
[  725.704426] 8021q: adding VLAN 0 to HW filter on device bond0
[  729.849854] bond0: (slave eth0): Releasing backup interface
[  729.887232] bond0 (unregistering): Released all slaves