[  767.255975] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  767.256115] test-bond1: (slave test-bond0): making interface the new active one
[  767.256214] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  767.273902] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  767.282296] test-bond1: entered promiscuous mode
[  767.282330] test-bond0: entered promiscuous mode
[  768.284397] test-bond1: left promiscuous mode
[  768.284442] test-bond0: left promiscuous mode
[  768.913612] test-dummy0: entered promiscuous mode
[  770.933175] test-dummy0: left promiscuous mode
[  771.045225] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  771.051107] test-bond1 (unregistering): Released all slaves
[  771.059333] test-bond0 (unregistering): Released all slaves