[  850.102442][T18956] bond0: (slave eth0): making interface the new active one
[  850.102907][T18956] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.140547][T18957] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.373405][T18960] bond0: (slave eth0): Releasing backup interface
[  854.521067][T18963] bond0: (slave eth0): Enslaving as an active interface with an up link
[  854.558493][T18964] 8021q: adding VLAN 0 to HW filter on device bond0
[  858.802105][ T8639] bond0: (slave eth0): Releasing backup interface
[  858.852894][ T8639] bond0 (unregistering): Released all slaves