[  971.290628][T23335] bond0: (slave eth0): making interface the new active one
[  971.291065][T23335] bond0: (slave eth0): Enslaving as an active interface with an up link
[  971.352528][T23336] 8021q: adding VLAN 0 to HW filter on device bond0
[  975.625258][T23339] bond0: (slave eth0): Releasing backup interface
[  975.787698][T23342] bond0: (slave eth0): Enslaving as an active interface with an up link
[  975.843699][T23343] 8021q: adding VLAN 0 to HW filter on device bond0
[  980.015517][T21183] bond0: (slave eth0): Releasing backup interface
[  980.057911][T21183] bond0 (unregistering): Released all slaves