[  748.702857] bond0: (slave eth0): making interface the new active one
[  748.702975] bond0: (slave eth0): Enslaving as an active interface with an up link
[  748.724001] 8021q: adding VLAN 0 to HW filter on device bond0
[  752.915858] bond0: (slave eth0): Releasing backup interface
[  752.999758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  753.020742] 8021q: adding VLAN 0 to HW filter on device bond0
[  757.140380] bond0: (slave eth0): Releasing backup interface
[  757.162159] bond0 (unregistering): Released all slaves