[ 1595.433632] br0: port 1(dummy0) entered blocking state
[ 1595.433678] br0: port 1(dummy0) entered disabled state
[ 1595.433712] dummy0: entered allmulticast mode
[ 1595.433761] dummy0: entered promiscuous mode
[ 1595.436179] br0: port 1(dummy0) entered blocking state
[ 1595.436216] br0: port 1(dummy0) entered forwarding state
[ 1595.614197] dummy0: left allmulticast mode
[ 1595.614227] dummy0: left promiscuous mode
[ 1595.614252] br0: port 1(dummy0) entered disabled state