output = ShellPipe([cfg_mod, "-vANY:console:emer", "-F",
vswitchd_cfg_filename, "-q", key]).Stdout()
except StandardError, e:
output = ShellPipe([cfg_mod, "-vANY:console:emer", "-F",
vswitchd_cfg_filename, "-q", key]).Stdout()
except StandardError, e: