r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000000440)="7f4bfe928bca9169cc28ed2dbd768706edc46b4f9f5b0d8ea4d339802cfe8173fe469f28b0b6cf4ae0ce5e482473b5d5c0ae0b8b03a2b92d89b8129fcf6dab06ca69f02285a4a93c60ccaeaaaeacbcd9b3399f8313295bb92197d74aedf40913b2ec4824dcefefa28bd202cca145e6a4cdb10183ac9f0f70ad20b52b1d97e8fcd63948e41720cbc50676799a601402fc", 0x90)