Have doctor fail fast if rc.local did not run

Update network interface wait to 120sec timeout

Update util.py

Update util.py

Ignore SSH X11 warning text

fix disk_builtin

Make watchdog not pkill mdns/nbns

Force kill old runtime in deploy

Add empty xattr handling, st_ex_blocks mismatch handling, getifaddrs(…

…) fallback

Upload `/mnt/Flash` files via temp rename