[ 1874.536204][ T8535] br1: port 1(veth1) entered blocking state
[ 1874.536506][ T8535] br1: port 1(veth1) entered disabled state
[ 1874.538184][ T8535] veth1: entered allmulticast mode
[ 1874.540116][ T8535] veth1: entered promiscuous mode
[ 1874.707210][  T856] br1: port 1(veth1) entered blocking state
[ 1874.707496][  T856] br1: port 1(veth1) entered forwarding state
[ 1891.599666][ T8634] br1: port 1(veth1) entered disabled state
[ 1891.790046][ T8635] veth1: left allmulticast mode
[ 1891.790269][ T8635] veth1: left promiscuous mode
[ 1891.790605][ T8635] br1: port 1(veth1) entered disabled state