r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_IPV6_DSTOPTS(r0, 0x29, 0x1b, &(0x7f0000000080)={0x0, 0x1, '\x00', [@padn, @jumbo, @enc_lim]}, 0x18)