[  857.307511][T23506] bond0: (slave eth0): making interface the new active one
[  857.307964][T23506] bond0: (slave eth0): Enslaving as an active interface with an up link
[  857.349913][T23507] 8021q: adding VLAN 0 to HW filter on device bond0
[  861.586444][T23510] bond0: (slave eth0): Releasing backup interface
[  861.710680][T23513] bond0: (slave eth0): Enslaving as an active interface with an up link
[  861.754104][T23514] 8021q: adding VLAN 0 to HW filter on device bond0
[  865.936157][T21694] bond0: (slave eth0): Releasing backup interface
[  865.973848][T21694] bond0 (unregistering): Released all slaves