[  747.898942] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  747.899060] test-bond1: (slave test-bond0): making interface the new active one
[  747.899144] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  747.917861] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  747.926875] test-bond1: entered promiscuous mode
[  747.926919] test-bond0: entered promiscuous mode
[  748.929323] test-bond1: left promiscuous mode
[  748.929381] test-bond0: left promiscuous mode
[  749.597049] test-dummy0: entered promiscuous mode
[  751.619185] test-dummy0: left promiscuous mode
[  751.761700] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  751.770069] test-bond1 (unregistering): Released all slaves
[  751.779440] test-bond0 (unregistering): Released all slaves