[  875.549687][T20610] bond0: (slave eth0): making interface the new active one
[  875.550170][T20610] bond0: (slave eth0): Enslaving as an active interface with an up link
[  875.591203][T20611] 8021q: adding VLAN 0 to HW filter on device bond0
[  879.801072][T20614] bond0: (slave eth0): Releasing backup interface
[  879.946834][T20617] bond0: (slave eth0): Enslaving as an active interface with an up link
[  879.991028][T20618] 8021q: adding VLAN 0 to HW filter on device bond0
[  884.160642][ T8851] bond0: (slave eth0): Releasing backup interface
[  884.226417][ T8851] bond0 (unregistering): Released all slaves