[ 1294.230182][ T9521] veth0: entered allmulticast mode
[ 1294.232053][ T9521] veth1: entered allmulticast mode
[ 1294.232422][ T9521] veth2: entered allmulticast mode
[ 1294.232754][ T9521] veth3: entered allmulticast mode
[ 1312.861882][ T9521] veth0: left allmulticast mode
[ 1312.862271][ T9521] veth1: left allmulticast mode
[ 1312.862557][ T9521] veth2: left allmulticast mode
[ 1312.862825][ T9521] veth3: left allmulticast mode