az ad sp list Stalls

[dazdaz]

Description

After running "az login", the command "az ad sp list" stalls. I assume that this is'nt expected behavior and would like to know what I can do, to debug this.

$ date ; az ad sp list ; date
Thu Sep 7 16:44:22 +08 2017
^CThu Sep 7 16:46:36 +08 2017

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Environment summary

Install Method: How did you install the CLI? (e.g. pip, interactive script, apt-get, Docker, MSI, nightly)
Added repo, debian file update

CLI Version: What version of the CLI and modules are installed? (Use az --version)
2.0.13

OS Version: What OS and version are you using?
Ubuntu 17.04

Shell Type: What shell are you using? (e.g. bash, cmd.exe, Bash on Windows)
bash

[yugangw-msft]

Same with #3323. #3481 will resolve it