Revert "Merge remote branch 'cros/upstream' into autotest-rebase"

client/tests/kvm/tests/multicast.py

Index: client/tests/kvm/tests/multicast.py
diff --git a/client/tests/kvm/tests/multicast.py b/client/tests/kvm/tests/multicast.py
index 2a12b4f069c0870041c65e29abff612d29a6c177..a47779a78279117e1d4e43647e6e86df90a9820d 100644
--- a/client/tests/kvm/tests/multicast.py
+++ b/client/tests/kvm/tests/multicast.py
@@ -1,7 +1,7 @@
 import logging, os, re
 from autotest_lib.client.common_lib import error
 from autotest_lib.client.bin import utils
-import kvm_test_utils, kvm_subprocess
+import kvm_test_utils
 
 
 def run_multicast(test, params, env):
@@ -23,10 +23,10 @@ def run_multicast(test, params, env):
                                   timeout=int(params.get("login_timeout", 360)))
 
     def run_guest(cmd):
-        try:
-            session.cmd(cmd)
-        except kvm_subprocess.ShellError, e:
-            logging.warn(e)
+        s, o = session.get_command_status_output(cmd)
+        if s:
+            logging.warning('Command %s executed in guest returned exit code '
+                            '%s, output: %s', cmd, s, o.strip())
 
     def run_host_guest(cmd):
         run_guest(cmd)
@@ -56,8 +56,8 @@ def run_multicast(test, params, env):
     mcast_path = os.path.join(test.bindir, "scripts/join_mcast.py")
     if not vm.copy_files_to(mcast_path, "/tmp"):
         raise error.TestError("Fail to copy %s to guest" % mcast_path)
-    output = session.cmd_output("python /tmp/join_mcast.py %d %s %d" %
-                                (mgroup_count, prefix, suffix))
+    output = session.get_command_output("python /tmp/join_mcast.py %d %s %d" %
+                                        (mgroup_count, prefix, suffix))
 
     # if success to join multicast, the process will be paused, and return PID.
     try:
@@ -86,6 +86,6 @@ def run_multicast(test, params, env):
                                      (s, o))
 
     finally:
-        logging.debug(session.cmd_output("ipmaddr show"))
-        session.cmd_output("kill -s SIGCONT %s" % pid)
+        logging.debug(session.get_command_output("ipmaddr show"))
+        session.get_command_output("kill -s SIGCONT %s" % pid)
         session.close()