[  766.761524] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  766.761635] test-bond1: (slave test-bond0): making interface the new active one
[  766.761705] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  766.780154] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  766.788799] test-bond1: entered promiscuous mode
[  766.788839] test-bond0: entered promiscuous mode
[  767.791293] test-bond1: left promiscuous mode
[  767.791356] test-bond0: left promiscuous mode
[  768.465167] test-dummy0: entered promiscuous mode
[  770.480251] test-dummy0: left promiscuous mode
[  770.608169] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  770.617055] test-bond1 (unregistering): Released all slaves
[  770.625283] test-bond0 (unregistering): Released all slaves