[ 2302.235852][T11514] br0: port 1(dummy0) entered blocking state
[ 2302.236163][T11514] br0: port 1(dummy0) entered disabled state
[ 2302.236455][T11514] dummy0: entered allmulticast mode
[ 2302.237469][T11514] dummy0: entered promiscuous mode
[ 2302.267476][T11515] br0: port 1(dummy0) entered blocking state
[ 2302.268424][T11515] br0: port 1(dummy0) entered forwarding state
[ 2304.790886][   T70] dummy0: left allmulticast mode
[ 2304.791200][   T70] dummy0: left promiscuous mode
[ 2304.791527][   T70] br0: port 1(dummy0) entered disabled state