r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000000080)="5cbd05ac1585e4b05054385290788ad650117a1c0966c1cf379387f0932d1422f58e0bd70d559c98b91529ca3bc118215fa7069caa756c7fde958c8b853cac7122bbefe8ecd5af3751f86a2e878aae61c7d3f1f85f4e7e5d8167f903a832f4bd039471ee4646cfcfaa71f58bf0703c1b7789c1b93689012073faa473733e3136f61754a6c3dfb7e8637673347b3227dc", 0x90)