[  837.510067] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.510196] test-bond1: (slave test-bond0): making interface the new active one
[  837.510275] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.532393] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.543447] test-bond1: entered promiscuous mode
[  837.543496] test-bond0: entered promiscuous mode
[  838.545618] test-bond1: left promiscuous mode
[  838.545673] test-bond0: left promiscuous mode
[  839.239423] test-dummy0: entered promiscuous mode
[  841.272072] test-dummy0: left promiscuous mode
[  841.407292] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.422428] test-bond1 (unregistering): Released all slaves
[  841.431537] test-bond0 (unregistering): Released all slaves