[  850.240241][T19729] bond0: (slave eth0): making interface the new active one
[  850.240684][T19729] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.282740][T19730] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.547456][T19733] bond0: (slave eth0): Releasing backup interface
[  854.693959][T19736] bond0: (slave eth0): Enslaving as an active interface with an up link
[  854.733587][T19737] 8021q: adding VLAN 0 to HW filter on device bond0
[  858.894511][  T253] bond0: (slave eth0): Releasing backup interface
[  858.928725][  T253] bond0 (unregistering): Released all slaves