[  870.827824][T18522] bond0: (slave eth0): making interface the new active one
[  870.828864][T18522] bond0: (slave eth0): Enslaving as an active interface with an up link
[  870.898243][T18523] 8021q: adding VLAN 0 to HW filter on device bond0
[  875.160829][T18526] bond0: (slave eth0): Releasing backup interface
[  875.332118][T18529] bond0: (slave eth0): Enslaving as an active interface with an up link
[  875.417542][T18530] 8021q: adding VLAN 0 to HW filter on device bond0
[  879.617242][  T250] bond0: (slave eth0): Releasing backup interface
[  879.677085][  T250] bond0 (unregistering): Released all slaves