[  854.932108][T21992] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  854.934876][T21992] test-bond1: (slave test-bond0): making interface the new active one
[  854.935303][T21992] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  855.087102][T22004] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  855.246005][T22007] test-bond1: entered promiscuous mode
[  855.253670][T22007] test-bond0: entered promiscuous mode
[  856.269961][T22007] test-bond1: left promiscuous mode
[  856.270456][T22007] test-bond0: left promiscuous mode
[  858.176332][T22015] test-dummy0: entered promiscuous mode
[  860.218358][T22015] test-dummy0: left promiscuous mode
[  860.431104][T22018] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  860.443721][T22018] test-bond1 (unregistering): Released all slaves
[  860.492844][T22019] test-bond0 (unregistering): Released all slaves