[  836.846632] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.846781] test-bond1: (slave test-bond0): making interface the new active one
[  836.846889] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.868175] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.878281] test-bond1: entered promiscuous mode
[  836.878321] test-bond0: entered promiscuous mode
[  837.880503] test-bond1: left promiscuous mode
[  837.880561] test-bond0: left promiscuous mode
[  838.536227] test-dummy0: entered promiscuous mode
[  840.553331] test-dummy0: left promiscuous mode
[  840.687355] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.691577] test-bond1 (unregistering): Released all slaves
[  840.701681] test-bond0 (unregistering): Released all slaves