[ 1421.914754][ T7920] veth0: entered allmulticast mode
[ 1421.915266][ T7920] veth1: entered allmulticast mode
[ 1421.915582][ T7920] veth2: entered allmulticast mode
[ 1421.915882][ T7920] veth3: entered allmulticast mode
[ 1446.284724][ T7920] veth0: left allmulticast mode
[ 1446.285024][ T7920] veth1: left allmulticast mode
[ 1446.285274][ T7920] veth2: left allmulticast mode
[ 1446.285504][ T7920] veth3: left allmulticast mode