r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_IPV6_DSTOPTS(r0, 0x29, 0x3b, &(0x7f0000000000)={0x0, 0x2000000000000195, '\x00', [@ra, @enc_lim, @ra]}, 0x18)