r0 = socket$nl_sock_diag(0x10, 0x3, 0x4)
sendmsg$DCCPDIAG_GETSOCK(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)={0x4c, 0x14, 0x1}, 0x4c}}, 0x0)