[  872.820500][T20230] bond0: (slave eth0): making interface the new active one
[  872.820962][T20230] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.868067][T20231] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.108847][T20234] bond0: (slave eth0): Releasing backup interface
[  877.261974][T20237] bond0: (slave eth0): Enslaving as an active interface with an up link
[  877.304896][T20238] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.468021][ T8867] bond0: (slave eth0): Releasing backup interface
[  881.524652][ T8867] bond0 (unregistering): Released all slaves