cf-agent cant change ownerships on a named pipe. execution hangs

I have these promises...

<pre>
range_class_cf3_promises_all_syslog.linux::
"ingress_windows_exists" expression => fileexists("/var/log/ingress-windows");

!ingress_windows_exists.range_class_cf3_promises_all_syslog.linux::
"/usr/bin/mkfifo /var/log/ingress-windows"
comment => "configure_syslog_ng_conf mkfifo ingress-windows";
</pre>

This creates a named pipe if it doesn't exist.

<pre>

1. ls -l /var/log/ingress-windows
   prw------- 1 root root 0 Jan 14 06:47 /var/log/ingress-windows
   </pre>

I then have this promise to change ownership of the named pipe. This hangs cf-agent execution.

<pre>
files:
range_class_cf3_promises_all_syslog.linux::
"/var/log/ingress-windows"
handle => "linux_syslog_ingress_windows",
create => "false",
perms => mog("0644", "root", "uucp");
</pre>

Executing the bundle, showing the hang. cf-exced kills the agent here. The agent is never able to "get past" this promise.

<pre>

1. /var/cfengine/bin/cf-agent -I -K -b configure_syslog_ng_conf
   2015-03-04T16:45:17+0000 info: Using command line specified bundlesequence
   2015-03-04T16:45:17+0000 info: /default/configure_syslog_ng_conf/files/'/var/log/ingress-windows'[0]: Group of '/var/log/ingress-windows' was 0, setting to 14
   ^C

#
</pre>