[ 1595.706963] br0: port 1(dummy0) entered blocking state
[ 1595.707041] br0: port 1(dummy0) entered disabled state
[ 1595.707110] dummy0: entered allmulticast mode
[ 1595.707197] dummy0: entered promiscuous mode
[ 1595.710014] br0: port 1(dummy0) entered blocking state
[ 1595.710051] br0: port 1(dummy0) entered forwarding state
[ 1595.905394] dummy0: left allmulticast mode
[ 1595.905428] dummy0: left promiscuous mode
[ 1595.905459] br0: port 1(dummy0) entered disabled state