[ 2125.967514][T24450] br0: port 1(dummy0) entered blocking state
[ 2125.967733][T24450] br0: port 1(dummy0) entered disabled state
[ 2125.967941][T24450] dummy0: entered allmulticast mode
[ 2125.969432][T24450] dummy0: entered promiscuous mode
[ 2126.000050][T24451] br0: port 1(dummy0) entered blocking state
[ 2126.000261][T24451] br0: port 1(dummy0) entered forwarding state
[ 2127.969101][   T12] dummy0: left allmulticast mode
[ 2127.969330][   T12] dummy0: left promiscuous mode
[ 2127.969595][   T12] br0: port 1(dummy0) entered disabled state