[  839.265157][T21527] bond0: (slave eth0): making interface the new active one
[  839.265646][T21527] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.310470][T21528] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.539000][T21531] bond0: (slave eth0): Releasing backup interface
[  843.675056][T21534] bond0: (slave eth0): Enslaving as an active interface with an up link
[  843.719797][T21535] 8021q: adding VLAN 0 to HW filter on device bond0
[  847.881344][T10471] bond0: (slave eth0): Releasing backup interface
[  847.919444][T10471] bond0 (unregistering): Released all slaves