[ 1028.062252][T20478] bond0: (slave eth0): making interface the new active one
[ 1028.062956][T20478] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 1028.122527][T20479] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1032.392865][T20482] bond0: (slave eth0): Releasing backup interface
[ 1032.562216][T20485] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 1032.605316][T20486] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1036.811245][   T72] bond0: (slave eth0): Releasing backup interface
[ 1036.876752][   T72] bond0 (unregistering): Released all slaves