[  849.080395][T19537] bond0: (slave eth0): making interface the new active one
[  849.080904][T19537] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.127399][T19538] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.378095][T19541] bond0: (slave eth0): Releasing backup interface
[  853.514367][T19544] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.563925][T19545] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.734657][T18722] bond0: (slave eth0): Releasing backup interface
[  857.790375][T18722] bond0 (unregistering): Released all slaves