[  870.765656] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  870.765773] test-bond1: (slave test-bond0): making interface the new active one
[  870.765872] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  870.788684] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  870.799860] test-bond1: entered promiscuous mode
[  870.799934] test-bond0: entered promiscuous mode
[  871.803883] test-bond1: left promiscuous mode
[  871.803988] test-bond0: left promiscuous mode
[  872.479185] test-dummy0: entered promiscuous mode
[  874.495164] test-dummy0: left promiscuous mode
[  874.615520] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  874.625117] test-bond1 (unregistering): Released all slaves
[  874.633942] test-bond0 (unregistering): Released all slaves