OS: Win10

Happened flakily 3 times while uploading a 100 CLs:

Presubmit checks passed.
 services/ui/ws/test_utils.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
error: RPC failed; HTTP 502 curl 22 The requested URL returned error: 502 Bad Gateway
Everything up-to-date

Error after CL description prompt -- saving description to C:\Users\gab/.git_cl_description_backup

Failed to create a change. Please examine output above for the reason of the failure.
Hint: run command below to diagnose common Git/Gerrit credential problems:
  git cl creds-check