[  836.391667] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  836.391811] test-bond1: (slave test-bond0): making interface the new active one
[  836.391913] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  836.414195] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  836.425014] test-bond1: entered promiscuous mode
[  836.425057] test-bond0: entered promiscuous mode
[  837.427558] test-bond1: left promiscuous mode
[  837.427615] test-bond0: left promiscuous mode
[  838.093130] test-dummy0: entered promiscuous mode
[  840.116264] test-dummy0: left promiscuous mode
[  840.242001] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  840.248342] test-bond1 (unregistering): Released all slaves
[  840.258243] test-bond0 (unregistering): Released all slaves