[  837.030393] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.030506] test-bond1: (slave test-bond0): making interface the new active one
[  837.030582] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.053186] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.063648] test-bond1: entered promiscuous mode
[  837.063682] test-bond0: entered promiscuous mode
[  838.066114] test-bond1: left promiscuous mode
[  838.066166] test-bond0: left promiscuous mode
[  838.764624] test-dummy0: entered promiscuous mode
[  840.779853] test-dummy0: left promiscuous mode
[  840.900441] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.906096] test-bond1 (unregistering): Released all slaves
[  840.917880] test-bond0 (unregistering): Released all slaves