haproxy sendmsg logger #1 failed: No such file or directory
I expect your issue is with the path, as you are chroot in "/var/lib/haproxy" and your socket is "/var/lib/haproxy/dev/log" the log path should be just "/dev/log"
I expect your issue is with the path, as you are chroot in "/var/lib/haproxy" and your socket is "/var/lib/haproxy/dev/log" the log path should be just "/dev/log"