[  857.776560] bond0: (slave eth0): making interface the new active one
[  857.776639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  857.781792] 8021q: adding VLAN 0 to HW filter on device bond0
[  861.888756] bond0: (slave eth0): Releasing backup interface
[  861.912661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  861.917897] 8021q: adding VLAN 0 to HW filter on device bond0
[  866.046446] bond0: (slave eth0): Releasing backup interface
[  866.073072] bond0 (unregistering): Released all slaves