[  849.310639][T19735] bond0: (slave eth0): making interface the new active one
[  849.311434][T19735] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.352004][T19736] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.560867][T19739] bond0: (slave eth0): Releasing backup interface
[  853.705223][T19742] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.740506][T19743] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.914588][   T12] bond0: (slave eth0): Releasing backup interface
[  857.957795][   T12] bond0 (unregistering): Released all slaves