[  906.045925][T21960] bond0: (slave eth0): making interface the new active one
[  906.046327][T21960] bond0: (slave eth0): Enslaving as an active interface with an up link
[  906.085341][T21961] 8021q: adding VLAN 0 to HW filter on device bond0
[  910.348692][T21964] bond0: (slave eth0): Releasing backup interface
[  910.501260][T21967] bond0: (slave eth0): Enslaving as an active interface with an up link
[  910.549877][T21968] 8021q: adding VLAN 0 to HW filter on device bond0
[  914.679571][   T71] bond0: (slave eth0): Releasing backup interface
[  914.734556][   T71] bond0 (unregistering): Released all slaves