Application on NSX node <EDGE> has crashed. The number of core files found is <X>. Collect the Support Bundle including core dump files and contact VMware Support team
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/var/log/core/core.nginx.gz
NSX-T Data Center 3.2.x
VMware NSX 4.x
An L7 VIP is created using a previously used L4 VIP's IP and port. The L4 session remains and is remapped internally which causes nginx to crash.
This issue is resolved in VMware NSX 4.1.2 & VMware NSX-T Data Center 3.2.4, available at Broadcom downloads.
If you are having difficulty finding and downloading software, please review the Download Broadcom products and software KB.
Workaround:
As the L4 VIP is already deleted/modified, putting the Edge (active & standby) in/out of maintenance will clear the session and prevent nginx from crashing.