[ 2002.898687][T13577] br0: port 1(dummy0) entered blocking state
[ 2002.898929][T13577] br0: port 1(dummy0) entered disabled state
[ 2002.899149][T13577] dummy0: entered allmulticast mode
[ 2002.900627][T13577] dummy0: entered promiscuous mode
[ 2002.928687][T13578] br0: port 1(dummy0) entered blocking state
[ 2002.929076][T13578] br0: port 1(dummy0) entered forwarding state
[ 2004.830432][   T70] dummy0: left allmulticast mode
[ 2004.831561][   T70] dummy0: left promiscuous mode
[ 2004.831851][   T70] br0: port 1(dummy0) entered disabled state