[ 2108.107799][T30625] br0: port 1(dummy0) entered blocking state
[ 2108.108123][T30625] br0: port 1(dummy0) entered disabled state
[ 2108.108398][T30625] dummy0: entered allmulticast mode
[ 2108.109546][T30625] dummy0: entered promiscuous mode
[ 2108.137025][T30626] br0: port 1(dummy0) entered blocking state
[ 2108.137840][T30626] br0: port 1(dummy0) entered forwarding state
[ 2110.625458][   T70] dummy0: left allmulticast mode
[ 2110.626919][   T70] dummy0: left promiscuous mode
[ 2110.627384][   T70] br0: port 1(dummy0) entered disabled state