[  840.354161] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  840.354253] test-bond1: (slave test-bond0): making interface the new active one
[  840.354339] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  840.375646] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  840.385463] test-bond1: entered promiscuous mode
[  840.385532] test-bond0: entered promiscuous mode
[  841.387633] test-bond1: left promiscuous mode
[  841.387763] test-bond0: left promiscuous mode
[  842.068107] test-dummy0: entered promiscuous mode
[  844.091446] test-dummy0: left promiscuous mode
[  844.210700] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  844.220087] test-bond1 (unregistering): Released all slaves
[  844.227996] test-bond0 (unregistering): Released all slaves