[ 1916.177194][T19289] br0: port 1(dummy0) entered blocking state
[ 1916.177424][T19289] br0: port 1(dummy0) entered disabled state
[ 1916.177637][T19289] dummy0: entered allmulticast mode
[ 1916.178928][T19289] dummy0: entered promiscuous mode
[ 1916.207368][T19290] br0: port 1(dummy0) entered blocking state
[ 1916.207639][T19290] br0: port 1(dummy0) entered forwarding state
[ 1918.182721][   T70] dummy0: left allmulticast mode
[ 1918.183515][   T70] dummy0: left promiscuous mode
[ 1918.184015][   T70] br0: port 1(dummy0) entered disabled state