I can confirm that I also have this issue. If I ssh into the host and
manually issue "systemctl restart haproxy" haproxy runs just fine. I am
also using hostnames that resolve via DNS and not /etc/hosts.
This is a headless VM on wired network (KVM bridged network). The IP is
assigned via DHCP.
Public bug reported:
Standard do-release-upgrade
ProblemType: Package
DistroRelease: Ubuntu 19.10
Package: lirc 0.10.1-6
ProcVersionSignature: Ubuntu 5.0.0-32.34-generic 5.0.21
Uname: Linux 5.0.0-32-generic x86_64
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
Date: Sat Oct 26 15:12:22 2019