[ 1959.326331][T26193] br0: port 1(dummy0) entered blocking state
[ 1959.326523][T26193] br0: port 1(dummy0) entered disabled state
[ 1959.326685][T26193] dummy0: entered allmulticast mode
[ 1959.327564][T26193] dummy0: entered promiscuous mode
[ 1959.350227][T26194] br0: port 1(dummy0) entered blocking state
[ 1959.350406][T26194] br0: port 1(dummy0) entered forwarding state
[ 1961.304361][   T12] dummy0: left allmulticast mode
[ 1961.304547][   T12] dummy0: left promiscuous mode
[ 1961.304777][   T12] br0: port 1(dummy0) entered disabled state