[  971.577290][T21976] bond0: (slave eth0): making interface the new active one
[  971.577733][T21976] bond0: (slave eth0): Enslaving as an active interface with an up link
[  971.625993][T21977] 8021q: adding VLAN 0 to HW filter on device bond0
[  975.836375][T21981] bond0: (slave eth0): Releasing backup interface
[  975.994682][T21984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  976.046767][T21985] 8021q: adding VLAN 0 to HW filter on device bond0
[  980.236581][  T190] bond0: (slave eth0): Releasing backup interface
[  980.303833][  T190] bond0 (unregistering): Released all slaves