[  837.174805] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  837.174912] test-bond1: (slave test-bond0): making interface the new active one
[  837.175001] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  837.196340] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  837.207023] test-bond1: entered promiscuous mode
[  837.207066] test-bond0: entered promiscuous mode
[  838.211055] test-bond1: left promiscuous mode
[  838.211107] test-bond0: left promiscuous mode
[  838.957207] test-dummy0: entered promiscuous mode
[  840.973212] test-dummy0: left promiscuous mode
[  841.089679] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  841.094219] test-bond1 (unregistering): Released all slaves
[  841.109047] test-bond0 (unregistering): Released all slaves