[  848.602951][T21809] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  848.604267][T21809] test-bond1: (slave test-bond0): making interface the new active one
[  848.604675][T21809] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  848.775966][T21821] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  848.878940][T21827] test-bond1: entered promiscuous mode
[  848.879118][T21827] test-bond0: entered promiscuous mode
[  849.897677][T21827] test-bond1: left promiscuous mode
[  849.897924][T21827] test-bond0: left promiscuous mode
[  851.417094][T21832] test-dummy0: entered promiscuous mode
[  853.465763][T21832] test-dummy0: left promiscuous mode
[  853.636863][T21835] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  853.644495][T21835] test-bond1 (unregistering): Released all slaves
[  853.689714][T21836] test-bond0 (unregistering): Released all slaves