[  855.977089] bond0: (slave eth0): making interface the new active one
[  855.977183] bond0: (slave eth0): Enslaving as an active interface with an up link
[  855.983590] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.100859] bond0: (slave eth0): Releasing backup interface
[  860.126266] bond0: (slave eth0): Enslaving as an active interface with an up link
[  860.132643] 8021q: adding VLAN 0 to HW filter on device bond0
[  864.258026] bond0: (slave eth0): Releasing backup interface
[  864.282945] bond0 (unregistering): Released all slaves