[  891.896959][T18826] bond0: (slave eth0): making interface the new active one
[  891.897467][T18826] bond0: (slave eth0): Enslaving as an active interface with an up link
[  891.947362][T18827] 8021q: adding VLAN 0 to HW filter on device bond0
[  896.203419][T18830] bond0: (slave eth0): Releasing backup interface
[  896.399931][T18833] bond0: (slave eth0): Enslaving as an active interface with an up link
[  896.438885][T18834] 8021q: adding VLAN 0 to HW filter on device bond0
[  900.608584][  T250] bond0: (slave eth0): Releasing backup interface
[  900.653343][  T250] bond0 (unregistering): Released all slaves