[  875.858118][T20099] bond0: (slave eth0): making interface the new active one
[  875.858555][T20099] bond0: (slave eth0): Enslaving as an active interface with an up link
[  875.904083][T20100] 8021q: adding VLAN 0 to HW filter on device bond0
[  880.124125][T20103] bond0: (slave eth0): Releasing backup interface
[  880.264873][T20106] bond0: (slave eth0): Enslaving as an active interface with an up link
[  880.310457][T20107] 8021q: adding VLAN 0 to HW filter on device bond0
[  884.476497][ T8821] bond0: (slave eth0): Releasing backup interface
[  884.538978][ T8821] bond0 (unregistering): Released all slaves