r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r0, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
dup2(r0, r1)
setsockopt$inet6_tcp_int(r1, 0x6, 0x1e, &(0x7f0000000040), 0x4)