format_white_space, indent + 2, format_dpdk_link_status, xd);
s = format (s, "%Uflags: %U\n",
format_white_space, indent + 2, format_dpdk_device_flags, xd);
format_white_space, indent + 2, format_dpdk_link_status, xd);
s = format (s, "%Uflags: %U\n",
format_white_space, indent + 2, format_dpdk_device_flags, xd);