[  873.443383][T23985] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  873.444872][T23985] test-bond1: (slave test-bond0): making interface the new active one
[  873.445265][T23985] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  873.566050][T23990] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  873.655540][T23995] test-bond1: entered promiscuous mode
[  873.655697][T23995] test-bond0: entered promiscuous mode
[  874.669840][T23995] test-bond1: left promiscuous mode
[  874.670068][T23995] test-bond0: left promiscuous mode
[  876.088201][T24008] test-dummy0: entered promiscuous mode
[  878.134783][T24008] test-dummy0: left promiscuous mode
[  878.287573][T24011] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  878.295194][T24011] test-bond1 (unregistering): Released all slaves
[  878.344312][T24012] test-bond0 (unregistering): Released all slaves