sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, ')\'\\\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x38}}, 0x0) BUG: leak checking failed