[  856.243396] bond0: (slave eth0): making interface the new active one
[  856.243497] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.248957] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.357392] bond0: (slave eth0): Releasing backup interface
[  860.378415] bond0: (slave eth0): Enslaving as an active interface with an up link
[  860.383817] 8021q: adding VLAN 0 to HW filter on device bond0
[  864.514936] bond0: (slave eth0): Releasing backup interface
[  864.537152] bond0 (unregistering): Released all slaves