Hello,
This may be due to the use of www.cisco.com through 72.163.4.161. Since this hostname/IP was statically added to /etc/hosts for CSPC, it has to be removed manually to resolve the issues. The steps for removal were added to 2.7.3.2 release notes here. Can you please try these steps and let me know if it helps resolve your issue?
Thank you,
Jarrett