cmd = dpdk_script + ' -b ' + driver + ' ' + device_id
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
cmd = dpdk_script + ' -b ' + driver + ' ' + device_id
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
cmd, node['host'], stdout, stderr))
cmd, node['host'], stdout, stderr))