r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000200)=0x4, 0x4)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c)