For dhcpcd-6.8.2 to function correctly on your ARMv7l device, your Linux kernel must have the and IP: DHCP support either compiled in or available as modules. These options are found in the kernel's networking configuration menu under Networking support -> Networking options -> Packet socket and Device Drivers -> Network device support -> Network core driver support .
In industrial settings, dhcpcd-6.8.2 shines on older 32-bit ARM hardware that cannot run newer, more demanding software. dhcpcd-6.8.2-armv7l
interface eth0 metric 200