[  969.970567][T23946] bond0: (slave eth0): making interface the new active one
[  969.971451][T23946] bond0: (slave eth0): Enslaving as an active interface with an up link
[  970.049569][T23947] 8021q: adding VLAN 0 to HW filter on device bond0
[  974.287184][T23950] bond0: (slave eth0): Releasing backup interface
[  974.519226][T23953] bond0: (slave eth0): Enslaving as an active interface with an up link
[  974.572483][T23954] 8021q: adding VLAN 0 to HW filter on device bond0
[  978.745742][T21790] bond0: (slave eth0): Releasing backup interface
[  978.791575][T21790] bond0 (unregistering): Released all slaves