sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers
sysupgrade/ftp: use a 'needle' to poke through caching layers