[  856.303044][T18719] bond0: (slave eth0): making interface the new active one
[  856.303574][T18719] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.354521][T18720] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.613826][T18723] bond0: (slave eth0): Releasing backup interface
[  860.775703][T18726] bond0: (slave eth0): Enslaving as an active interface with an up link
[  860.828175][T18727] 8021q: adding VLAN 0 to HW filter on device bond0
[  865.045481][   T72] bond0: (slave eth0): Releasing backup interface
[  865.121770][   T72] bond0 (unregistering): Released all slaves