[  857.554695] bond0: (slave eth0): making interface the new active one
[  857.554787] bond0: (slave eth0): Enslaving as an active interface with an up link
[  857.560613] 8021q: adding VLAN 0 to HW filter on device bond0
[  861.709337] bond0: (slave eth0): Releasing backup interface
[  861.731057] bond0: (slave eth0): Enslaving as an active interface with an up link
[  861.736780] 8021q: adding VLAN 0 to HW filter on device bond0
[  865.866451] bond0: (slave eth0): Releasing backup interface
[  865.888657] bond0 (unregistering): Released all slaves