[ 2024.506276][ T8930] br0: port 1(dummy0) entered blocking state
[ 2024.506945][ T8930] br0: port 1(dummy0) entered disabled state
[ 2024.507106][ T8930] dummy0: entered allmulticast mode
[ 2024.508091][ T8930] dummy0: entered promiscuous mode
[ 2024.539146][ T8931] br0: port 1(dummy0) entered blocking state
[ 2024.539404][ T8931] br0: port 1(dummy0) entered forwarding state
[ 2026.581720][   T12] dummy0: left allmulticast mode
[ 2026.582036][   T12] dummy0: left promiscuous mode
[ 2026.582260][   T12] br0: port 1(dummy0) entered disabled state