[  978.312562][T23355] bond0: (slave eth0): making interface the new active one
[  978.313117][T23355] bond0: (slave eth0): Enslaving as an active interface with an up link
[  978.369449][T23356] 8021q: adding VLAN 0 to HW filter on device bond0
[  982.617332][T23359] bond0: (slave eth0): Releasing backup interface
[  982.782524][T23362] bond0: (slave eth0): Enslaving as an active interface with an up link
[  982.832289][T23363] 8021q: adding VLAN 0 to HW filter on device bond0
[  987.019714][T21189] bond0: (slave eth0): Releasing backup interface
[  987.067181][T21189] bond0 (unregistering): Released all slaves