[ 2023.349487][  T643] br0: port 1(dummy0) entered blocking state
[ 2023.349734][  T643] br0: port 1(dummy0) entered disabled state
[ 2023.349973][  T643] dummy0: entered allmulticast mode
[ 2023.351212][  T643] dummy0: entered promiscuous mode
[ 2023.380964][  T644] br0: port 1(dummy0) entered blocking state
[ 2023.381257][  T644] br0: port 1(dummy0) entered forwarding state
[ 2025.446992][   T12] dummy0: left allmulticast mode
[ 2025.447277][   T12] dummy0: left promiscuous mode
[ 2025.447501][   T12] br0: port 1(dummy0) entered disabled state