[  849.070141][T19523] bond0: (slave eth0): making interface the new active one
[  849.070625][T19523] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.110354][T19524] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.371243][T19527] bond0: (slave eth0): Releasing backup interface
[  853.516036][T19530] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.560210][T19531] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.739915][ T8849] bond0: (slave eth0): Releasing backup interface
[  857.801536][ T8849] bond0 (unregistering): Released all slaves