Docs: Add an additional note for VMWare timeouts on Ubuntu 16.04 LTS

Spotted through our community channels.

diff --git a/doc/05-service-monitoring.md b/doc/05-service-monitoring.md
index 855b75b53e788802edade8444930782d2e711a3e..004bf45819bb497520f27c625670b45f7d1cdba4 100644 (file)
--- a/doc/05-service-monitoring.md
+++ b/doc/05-service-monitoring.md
@@ -260,6 +260,8 @@ Instead, choose a plugin and configure its parameters and thresholds. The follow
 
 **Tip**: If you are encountering timeouts using the VMware Perl SDK,
 check [this blog entry](https://www.claudiokuenzler.com/blog/650/slow-vmware-perl-sdk-soap-request-error-libwww-version).
+Ubuntu 16.04 LTS can have troubles with random entropy in Perl asked [here](https://monitoring-portal.org/t/check-vmware-api-slow-when-run-multiple-times/2868).
+In that case, [haveged](http://issihosts.com/haveged/) may help.
 
 ### SAP Monitoring <a id="service-monitoring-sap"></a>