[  746.723387] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  746.723496] test-bond1: (slave test-bond0): making interface the new active one
[  746.723573] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  746.741472] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  746.752368] test-bond1: entered promiscuous mode
[  746.752440] test-bond0: entered promiscuous mode
[  747.754896] test-bond1: left promiscuous mode
[  747.755003] test-bond0: left promiscuous mode
[  748.434544] test-dummy0: entered promiscuous mode
[  750.454172] test-dummy0: left promiscuous mode
[  750.585502] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  750.592656] test-bond1 (unregistering): Released all slaves
[  750.609767] test-bond0 (unregistering): Released all slaves