[  851.965010][T18872] bond0: (slave eth0): making interface the new active one
[  851.965473][T18872] bond0: (slave eth0): Enslaving as an active interface with an up link
[  852.016732][T18873] 8021q: adding VLAN 0 to HW filter on device bond0
[  856.253439][T18876] bond0: (slave eth0): Releasing backup interface
[  856.420824][T18879] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.464136][T18880] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.665369][ T8512] bond0: (slave eth0): Releasing backup interface
[  860.740304][ T8512] bond0 (unregistering): Released all slaves