[ 2278.607639][T15328] br0: port 1(dummy0) entered blocking state
[ 2278.607963][T15328] br0: port 1(dummy0) entered disabled state
[ 2278.608256][T15328] dummy0: entered allmulticast mode
[ 2278.609408][T15328] dummy0: entered promiscuous mode
[ 2278.635949][T15329] br0: port 1(dummy0) entered blocking state
[ 2278.636803][T15329] br0: port 1(dummy0) entered forwarding state
[ 2281.171143][   T70] dummy0: left allmulticast mode
[ 2281.172015][   T70] dummy0: left promiscuous mode
[ 2281.172389][   T70] br0: port 1(dummy0) entered disabled state