[ 1400.647467][ T7820] veth0: entered allmulticast mode
[ 1400.647972][ T7820] veth1: entered allmulticast mode
[ 1400.648278][ T7820] veth2: entered allmulticast mode
[ 1400.649280][ T7820] veth3: entered allmulticast mode
[ 1427.691068][ T7820] veth0: left allmulticast mode
[ 1427.691377][ T7820] veth1: left allmulticast mode
[ 1427.691616][ T7820] veth2: left allmulticast mode
[ 1427.691831][ T7820] veth3: left allmulticast mode