[  841.211777][T21661] bond0: (slave eth0): making interface the new active one
[  841.212313][T21661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  841.258091][T21662] 8021q: adding VLAN 0 to HW filter on device bond0
[  845.535889][T21665] bond0: (slave eth0): Releasing backup interface
[  845.711287][T21668] bond0: (slave eth0): Enslaving as an active interface with an up link
[  845.760281][T21669] 8021q: adding VLAN 0 to HW filter on device bond0
[  849.865839][ T9964] bond0: (slave eth0): Releasing backup interface
[  849.927810][ T9964] bond0 (unregistering): Released all slaves