[ 1015.883809][T21930] bond0: (slave eth0): making interface the new active one
[ 1015.884256][T21930] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 1015.934508][T21931] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1020.160072][T21936] bond0: (slave eth0): Releasing backup interface
[ 1020.318430][T21939] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 1020.374313][T21940] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1024.581993][ T9974] bond0: (slave eth0): Releasing backup interface
[ 1024.625279][ T9974] bond0 (unregistering): Released all slaves