BitsFlowCloud家人云伦敦迁移之后带宽严重缩水

root@20T:~# curl -Lso- bench.sh | bash
-------------------- A Bench.sh Script By Teddysun -------------------
Version : v2025-05-08
Usage : wget -qO- bench.sh | bash

CPU Model : AMD EPYC 7742 64-Core Processor
CPU Cores : 2 @ 2245.780 MHz
CPU Cache : 512 KB
AES-NI : ✓ Enabled
VM-x/AMD-V : ✓ Enabled
Total Disk : 41.4 GB (11.8 GB Used)
Total Mem : 3.8 GB (525.7 MB Used)
Total Swap : 1.5 GB (0 Used)
System uptime : 0 days, 10 hour 54 min
Load average : 0.00, 0.00, 0.00
OS : Debian GNU/Linux 12
Arch : x86_64 (64 Bit)
Kernel : 6.14.8-x64v3-xanmod1
TCP CC : bbr
Virtualization : KVM
IPv4/IPv6 : ✓ Online / ✓ Online
Organization : AS204044 PACKET STAR NETWORKS LIMITED
Location : London / GB
Region : England

I/O Speed(1st run) : 2.0 GB/s
I/O Speed(2nd run) : 2.3 GB/s
I/O Speed(3rd run) : 2.3 GB/s
I/O Speed(average) : 2252.8 MB/s

Node Name Upload Speed Download Speed Latency
Speedtest.net 1962.68 Mbps 1958.84 Mbps 6.10 ms
Paris, FR 7098.03 Mbps 1905.17 Mbps 8.33 ms
Amsterdam, NL 6948.95 Mbps 893.17 Mbps 9.44 ms
Shanghai, CN 798.43 Mbps 1766.44 Mbps 248.56 ms
Hong Kong, CN 511.28 Mbps 2150.71 Mbps 179.14 ms
Singapore, SG 74.47 Mbps 622.93 Mbps 169.44 ms
Tokyo, JP 690.00 Mbps 3407.07 Mbps 247.58 ms

Finished in : 3 min 28 sec
Timestamp : 2025-08-02 17:00:58 CST

root@20T:~#

之前低配能跑到10G（2.5g升级过一次） 中高配25G，现在缩水到了10G

官方解释是这样：

Admin BitsFlowCloud 操作者
客服
TOS https://bitsflow.cloud/tos.html
中第四条第五款：
For instances with labeled network port speeds, the Company only guarantees the ​theoretical maximum public network speed. Users may ​not​ demand guaranteed real-world speeds.

翻译为中文为：
对于标示网口速度的实例，本公司仅保证理论上的最大公网速度 ，用户不得要求保证实际速度。