[  969.279170][T24013] bond0: (slave eth0): making interface the new active one
[  969.279579][T24013] bond0: (slave eth0): Enslaving as an active interface with an up link
[  969.336789][T24014] 8021q: adding VLAN 0 to HW filter on device bond0
[  973.575619][T24017] bond0: (slave eth0): Releasing backup interface
[  973.740676][T24020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  973.787778][T24021] 8021q: adding VLAN 0 to HW filter on device bond0
[  977.990470][T21850] bond0: (slave eth0): Releasing backup interface
[  978.056653][T21850] bond0 (unregistering): Released all slaves