Adjust timeout 30 values within /etc/dhcpcd.conf to a higher threshold. Third-party service wrapper changing resolv.conf .
What or build system (e.g., Raspberry Pi OS, Yocto, Buildroot) are you using?
If the service fails silently during system startup, stop the background manager and execute the daemon manually in : dhcpcd -T -d eth0 Use code with caution.
Using the --nofork switch stops the application from slipping into background daemon mode. This locks the binary execution process cleanly inside the standard output context of your active shell, piping real-time network transaction exchanges directly to your engineering terminal.
Occasionally, an ARM device moved to a new network will attempt to reuse its old, cached IP lease, resulting in a network rejection. Fix this by purging the cache: