Try to log to logstash directly

reposync_scheduler.nomad

@@ -18,6 +18,10 @@ job "reposync_scheduler" {
       logging {
         type = "syslog"
         config {
+          syslog-address = "tcp://127.0.0.1:5015"
+          syslog-format = "rfc5424micro"
+          mode = "non-blocking"
+          max-buffer-size = "10m"
           syslog-facility = "local4"
           tag = "reposync_scheduler"
         }