[  982.940821][T21500] bond0: (slave eth0): making interface the new active one
[  982.941241][T21500] bond0: (slave eth0): Enslaving as an active interface with an up link
[  983.005804][T21501] 8021q: adding VLAN 0 to HW filter on device bond0
[  987.261671][T21504] bond0: (slave eth0): Releasing backup interface
[  987.450189][T21507] bond0: (slave eth0): Enslaving as an active interface with an up link
[  987.495197][T21508] 8021q: adding VLAN 0 to HW filter on device bond0
[  991.671469][T19863] bond0: (slave eth0): Releasing backup interface
[  991.722990][T19863] bond0 (unregistering): Released all slaves