setmac <eth0> <eth1> <wlan0> [nobackup] setmac first do a backup of the calibration sector. It copys the sector to the sector before itself. This behavious can be overwritten by adding `nobackup`. showmac - show mac addreses.
Introduce 2 new commands. `inccycle` to increase the bootcycle by one `checkcycle` to check if bootcycle is reached. Returncode must be evaluated.