[ 1984.331840][ T6921] veth0: entered allmulticast mode
[ 1984.333097][ T6921] veth1: entered allmulticast mode
[ 1984.333655][ T6921] veth2: entered allmulticast mode
[ 1984.334201][ T6921] veth3: entered allmulticast mode
[ 2009.071735][ T6921] veth0: left allmulticast mode
[ 2009.072562][ T6921] veth1: left allmulticast mode
[ 2009.073260][ T6921] veth2: left allmulticast mode
[ 2009.073942][ T6921] veth3: left allmulticast mode