[ 2024.658670][ T6867] br0: port 1(dummy0) entered blocking state
[ 2024.658857][ T6867] br0: port 1(dummy0) entered disabled state
[ 2024.659019][ T6867] dummy0: entered allmulticast mode
[ 2024.660549][ T6867] dummy0: entered promiscuous mode
[ 2024.689400][ T6868] br0: port 1(dummy0) entered blocking state
[ 2024.689572][ T6868] br0: port 1(dummy0) entered forwarding state
[ 2026.651262][   T70] dummy0: left allmulticast mode
[ 2026.651935][   T70] dummy0: left promiscuous mode
[ 2026.652160][   T70] br0: port 1(dummy0) entered disabled state