[  748.567457] bond0: (slave eth0): making interface the new active one
[  748.567588] bond0: (slave eth0): Enslaving as an active interface with an up link
[  748.585363] 8021q: adding VLAN 0 to HW filter on device bond0
[  752.709492] bond0: (slave eth0): Releasing backup interface
[  752.775209] bond0: (slave eth0): Enslaving as an active interface with an up link
[  752.795466] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.936696] bond0: (slave eth0): Releasing backup interface
[  756.957671] bond0 (unregistering): Released all slaves