[  851.823370][T18991] bond0: (slave eth0): making interface the new active one
[  851.824148][T18991] bond0: (slave eth0): Enslaving as an active interface with an up link
[  851.879899][T18992] 8021q: adding VLAN 0 to HW filter on device bond0
[  856.103957][T18995] bond0: (slave eth0): Releasing backup interface
[  856.256240][T18998] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.310256][T18999] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.466210][  T250] bond0: (slave eth0): Releasing backup interface
[  860.528532][  T250] bond0 (unregistering): Released all slaves