[  856.384678][T18979] bond0: (slave eth0): making interface the new active one
[  856.385118][T18979] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.424281][T18980] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.642215][T18983] bond0: (slave eth0): Releasing backup interface
[  860.798011][T18986] bond0: (slave eth0): Enslaving as an active interface with an up link
[  860.836595][T18987] 8021q: adding VLAN 0 to HW filter on device bond0
[  865.066695][  T259] bond0: (slave eth0): Releasing backup interface
[  865.137544][  T259] bond0 (unregistering): Released all slaves