[ 1658.868597][ T7585] br0: port 1(dummy0) entered blocking state
[ 1658.868735][ T7585] br0: port 1(dummy0) entered disabled state
[ 1658.868844][ T7585] dummy0: entered allmulticast mode
[ 1658.869329][ T7585] dummy0: entered promiscuous mode
[ 1658.882499][ T7586] br0: port 1(dummy0) entered blocking state
[ 1658.882618][ T7586] br0: port 1(dummy0) entered forwarding state
[ 1660.114072][   T70] dummy0: left allmulticast mode
[ 1660.114219][   T70] dummy0: left promiscuous mode
[ 1660.114393][   T70] br0: port 1(dummy0) entered disabled state