Broadcom (Symantec) SEP 14.3 RU6 bug cause Linux hang up

Error log: sisap_uc_uevent: fp was DELETED xxxxxxxxxxxxxxxxx, pid xxxx, fid xxxxxx leaving with ret=1, waiting=63, nsq=0, wait_scan=54, filename=noname 

Issue: After upgrading the Endpoint Protection client to 14.3 RU6 (14.3.2509.6000), Linux machines running the agent may get into a hung state. In the /var/log/messages file, you will see the following types of error messages: sisap_uc_uevent: fp was DELETED 

Affected and matched to our current running SEP version: Symantec Endpoint Protection (SEPM) 14.3.2509.6000 

Resolution: Upgrade the agent to the latest version (14.3.2529.6000 or later). 

Reference: Linux servers hang after upgrading to SEP 14.3 RU6 (broadcom.com)

If you plan to upgrade to 14.3 RU8 to resolve this issue.
Before you upgrade to 14.3 RU8, 
 you need to check the Kernel version is it on support list. 
 https://linux-repo.us.securitycloud.symantec.com/SAL/1.3/seplinux_supported_kernels.html  
 After the upgrade, you should to follow the following steps to check: 
 (A scheduled downtime is required)

Symantec_SEP_(DC_2.0).pdf (hicloud.net.tw)

https://s3.hicloud.net.tw/ndc/ndc_form/Symantec_SEP_%E5%AE%89%E8%A3%9D%E6%A8%99%E6%BA%96%E4%BD%9C%E6%A5%AD%E7%A8%8B%E5%BA%8F%E6%9B%B8(DC_2.0).pdf

Broadcom (Symantec) SEP 14.3 RU6 bug cause Linux hang up