[  849.361695][T19594] bond0: (slave eth0): making interface the new active one
[  849.362189][T19594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.409343][T19595] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.649395][T19598] bond0: (slave eth0): Releasing backup interface
[  853.785074][T19601] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.826126][T19602] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.992371][   T72] bond0: (slave eth0): Releasing backup interface
[  858.032123][   T72] bond0 (unregistering): Released all slaves