[  851.683771][T18983] bond0: (slave eth0): making interface the new active one
[  851.684277][T18983] bond0: (slave eth0): Enslaving as an active interface with an up link
[  851.733040][T18984] 8021q: adding VLAN 0 to HW filter on device bond0
[  855.995415][T18987] bond0: (slave eth0): Releasing backup interface
[  856.142070][T18990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.181678][T18991] 8021q: adding VLAN 0 to HW filter on device bond0
[  860.412332][   T72] bond0: (slave eth0): Releasing backup interface
[  860.470906][   T72] bond0 (unregistering): Released all slaves