[  880.455889][T21057] bond0: (slave eth0): making interface the new active one
[  880.456398][T21057] bond0: (slave eth0): Enslaving as an active interface with an up link
[  880.504292][T21058] 8021q: adding VLAN 0 to HW filter on device bond0
[  884.744859][T21061] bond0: (slave eth0): Releasing backup interface
[  884.931642][T21064] bond0: (slave eth0): Enslaving as an active interface with an up link
[  884.981312][T21065] 8021q: adding VLAN 0 to HW filter on device bond0
[  889.153506][  T217] bond0: (slave eth0): Releasing backup interface
[  889.197533][  T217] bond0 (unregistering): Released all slaves