[  848.931566][T19614] bond0: (slave eth0): making interface the new active one
[  848.932006][T19614] bond0: (slave eth0): Enslaving as an active interface with an up link
[  848.973477][T19615] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.159995][T19618] bond0: (slave eth0): Releasing backup interface
[  853.306289][T19621] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.353759][T19622] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.535052][   T12] bond0: (slave eth0): Releasing backup interface
[  857.595370][   T12] bond0 (unregistering): Released all slaves