[  845.886557][T21976] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  845.887740][T21976] test-bond1: (slave test-bond0): making interface the new active one
[  845.888555][T21976] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  846.043493][T21988] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  846.231981][T21991] test-bond1: entered promiscuous mode
[  846.236149][T21991] test-bond0: entered promiscuous mode
[  847.266414][T21991] test-bond1: left promiscuous mode
[  847.266674][T21991] test-bond0: left promiscuous mode
[  848.689763][T21999] test-dummy0: entered promiscuous mode
[  850.729533][T21999] test-dummy0: left promiscuous mode
[  850.920674][T22002] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  850.927676][T22002] test-bond1 (unregistering): Released all slaves
[  850.976785][T22003] test-bond0 (unregistering): Released all slaves