[  957.666373][T21924] bond0: (slave eth0): making interface the new active one
[  957.666797][T21924] bond0: (slave eth0): Enslaving as an active interface with an up link
[  957.713108][T21925] 8021q: adding VLAN 0 to HW filter on device bond0
[  961.992153][T21928] bond0: (slave eth0): Releasing backup interface
[  962.150449][T21931] bond0: (slave eth0): Enslaving as an active interface with an up link
[  962.201635][T21932] 8021q: adding VLAN 0 to HW filter on device bond0
[  966.395128][   T72] bond0: (slave eth0): Releasing backup interface
[  966.435125][   T72] bond0 (unregistering): Released all slaves