[ 2282.062542][T22729] br0: port 1(dummy0) entered blocking state
[ 2282.062739][T22729] br0: port 1(dummy0) entered disabled state
[ 2282.063404][T22729] dummy0: entered allmulticast mode
[ 2282.064319][T22729] dummy0: entered promiscuous mode
[ 2282.098386][T22730] br0: port 1(dummy0) entered blocking state
[ 2282.098607][T22730] br0: port 1(dummy0) entered forwarding state
[ 2284.529598][   T71] dummy0: left allmulticast mode
[ 2284.529798][   T71] dummy0: left promiscuous mode
[ 2284.530130][   T71] br0: port 1(dummy0) entered disabled state