[ 2104.215704][ T1824] br0: port 1(dummy0) entered blocking state
[ 2104.215903][ T1824] br0: port 1(dummy0) entered disabled state
[ 2104.216078][ T1824] dummy0: entered allmulticast mode
[ 2104.217120][ T1824] dummy0: entered promiscuous mode
[ 2104.249815][ T1825] br0: port 1(dummy0) entered blocking state
[ 2104.250106][ T1825] br0: port 1(dummy0) entered forwarding state
[ 2106.737737][   T70] dummy0: left allmulticast mode
[ 2106.738534][   T70] dummy0: left promiscuous mode
[ 2106.738957][   T70] br0: port 1(dummy0) entered disabled state