WEC syslog-ng-wec restarts unexpectedly, expired certs (4373098)

If this issue is encountered the following may be seen in the logs. Note that this is a general output error and is not indicative of this issue alone.

date time system wec[1083930]: fatal error: concurrent map read and map write
date time system wec[1083930]: goroutine 244 [running]:
date time system wec[1083930]: runtime.throw(0xa1f2ff, 0x21)
date time system wec[1083930]: /usr/local/go/src/runtime/panic.go:1116 +0x72 fp=0xc027d2d228 sp=0xc027d2d1f8 pc=0x43a792

If it is this issue there will be corresponding certificate failure messages: 

ERROR HTTP server error when serving connection "XXX.XXX.XXX.XXXX:XXXX"<->"XXX.XXX.XXX.XXX:XXXXX": tls: failed to verify client certificate: x509: certificate has expired or is not yet valid: current time YYYY-MM-DDTHH:mm:SS is after YYYY-MM-DDTHH:mm:SSZ
 

Workaround:

Clean up expired certificates. Log example of expired certificate:

failed to verify client certificate: x509: certificate has expired or is not yet valid

Fix:

Product defect ID 432317 was included with 7.0.34 (it was not detailed in the Release Notes).