[  836.841065] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.841167] test-bond1: (slave test-bond0): making interface the new active one
[  836.841256] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.862926] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.873143] test-bond1: entered promiscuous mode
[  836.873178] test-bond0: entered promiscuous mode
[  837.875523] test-bond1: left promiscuous mode
[  837.875576] test-bond0: left promiscuous mode
[  838.555987] test-dummy0: entered promiscuous mode
[  840.581494] test-dummy0: left promiscuous mode
[  840.702145] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.706313] test-bond1 (unregistering): Released all slaves
[  840.716084] test-bond0 (unregistering): Released all slaves