[ 2295.926323][T25977] br0: port 1(dummy0) entered blocking state
[ 2295.926512][T25977] br0: port 1(dummy0) entered disabled state
[ 2295.927136][T25977] dummy0: entered allmulticast mode
[ 2295.928010][T25977] dummy0: entered promiscuous mode
[ 2295.967520][T25978] br0: port 1(dummy0) entered blocking state
[ 2295.967710][T25978] br0: port 1(dummy0) entered forwarding state
[ 2298.255169][   T69] dummy0: left allmulticast mode
[ 2298.255415][   T69] dummy0: left promiscuous mode
[ 2298.255718][   T69] br0: port 1(dummy0) entered disabled state