r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$DCCPDIAG_GETSOCK(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x4c, 0x13, 0xa16c0d6cce6ac11}, 0x4c}}, 0x0)