r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x7}}, 0x1c)
setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000140), 0x8)