sglang [Bug] Two Node H20 with ROCE, can't startup

Checklist

[x] 1. I have searched related issues but cannot get the expected help.
[x] 2. The bug has not been fixed in the latest version.
[x] 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.
[x] 4. If the issue you raised is not a bug but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed.
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Describe the bug

sglang cant's start when using two node h20 to deploy.... hang!

Reproduction

I m trying to enhance my h20*2 inference efficiency by using ROCE. There were not prolblems using Socket Mode for NCCL.

Now , i'm using the 0.4.2 offiicial image and i have add some rdma pacakges in it according the commit: https://github.com/FrankLeeeee/sglang/commit/cd837ab34a895976dc3176e0272a870090c59e36

Now , sglang cant's start.