[  848.286231][T19380] bond0: (slave eth0): making interface the new active one
[  848.286734][T19380] bond0: (slave eth0): Enslaving as an active interface with an up link
[  848.332064][T19381] 8021q: adding VLAN 0 to HW filter on device bond0
[  852.565135][T19384] bond0: (slave eth0): Releasing backup interface
[  852.707318][T19387] bond0: (slave eth0): Enslaving as an active interface with an up link
[  852.749355][T19388] 8021q: adding VLAN 0 to HW filter on device bond0
[  856.931434][   T12] bond0: (slave eth0): Releasing backup interface
[  856.997914][   T12] bond0 (unregistering): Released all slaves