[  746.229047] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  746.229206] test-bond1: (slave test-bond0): making interface the new active one
[  746.229312] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  746.246242] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  746.255150] test-bond1: entered promiscuous mode
[  746.255214] test-bond0: entered promiscuous mode
[  747.258279] test-bond1: left promiscuous mode
[  747.258360] test-bond0: left promiscuous mode
[  747.929195] test-dummy0: entered promiscuous mode
[  749.944708] test-dummy0: left promiscuous mode
[  750.054065] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  750.061811] test-bond1 (unregistering): Released all slaves
[  750.073864] test-bond0 (unregistering): Released all slaves