[  950.344982][T21890] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  950.346924][T21890] test-bond1: (slave test-bond0): making interface the new active one
[  950.347754][T21890] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  950.548082][T21897] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  950.675074][T21905] test-bond1: entered promiscuous mode
[  950.675273][T21905] test-bond0: entered promiscuous mode
[  951.695259][T21905] test-bond1: left promiscuous mode
[  951.695715][T21905] test-bond0: left promiscuous mode
[  953.298906][T21913] test-dummy0: entered promiscuous mode
[  955.365859][T21913] test-dummy0: left promiscuous mode
[  955.576016][T21916] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  955.583608][T21916] test-bond1 (unregistering): Released all slaves
[  955.656954][T21917] test-bond0 (unregistering): Released all slaves