r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = dup(r0)
setsockopt$inet6_IPV6_RTHDRDSTOPTS(r1, 0x29, 0x37, &(0x7f0000000100), 0x8)
setsockopt$inet6_opts(r1, 0x29, 0x36, 0x0, 0x0)