Index: cloud-init-0.7.6/cloudinit/util.py
===================================================================
--- cloud-init-0.7.6.orig/cloudinit/util.py
+++ cloud-init-0.7.6/cloudinit/util.py
@@ -59,6 +59,7 @@ from cloudinit import version
 
 from cloudinit.settings import (CFG_BUILTIN)
 
+from signal import signal, SIGPIPE, SIG_DFL
 
 _DNS_REDIRECT_IP = None
 LOG = logging.getLogger(__name__)
@@ -1559,7 +1560,8 @@ def subp(args, data=None, rcs=None, env=
         stdin = subprocess.PIPE
         sp = subprocess.Popen(args, stdout=stdout,
                         stderr=stderr, stdin=stdin,
-                        env=env, shell=shell)
+                        env=env, shell=shell,
+			preexec_fn=lambda: signal(SIGPIPE, SIG_DFL))
         (out, err) = sp.communicate(data)
     except OSError as e:
         raise ProcessExecutionError(cmd=args, reason=e)