[ 2106.943387][ T6042] br0: port 1(dummy0) entered blocking state
[ 2106.943615][ T6042] br0: port 1(dummy0) entered disabled state
[ 2106.943836][ T6042] dummy0: entered allmulticast mode
[ 2106.945285][ T6042] dummy0: entered promiscuous mode
[ 2106.968887][ T6043] br0: port 1(dummy0) entered blocking state
[ 2106.969178][ T6043] br0: port 1(dummy0) entered forwarding state
[ 2108.888001][   T12] dummy0: left allmulticast mode
[ 2108.888796][   T12] dummy0: left promiscuous mode
[ 2108.889254][   T12] br0: port 1(dummy0) entered disabled state