[  954.666299][T21974] bond0: (slave eth0): making interface the new active one
[  954.666825][T21974] bond0: (slave eth0): Enslaving as an active interface with an up link
[  954.714030][T21975] 8021q: adding VLAN 0 to HW filter on device bond0
[  958.983988][T21978] bond0: (slave eth0): Releasing backup interface
[  959.143128][T21981] bond0: (slave eth0): Enslaving as an active interface with an up link
[  959.205873][T21982] 8021q: adding VLAN 0 to HW filter on device bond0
[  963.383138][   T12] bond0: (slave eth0): Releasing backup interface
[  963.429547][   T12] bond0 (unregistering): Released all slaves