o [FEATURE] Fix spelling UNITIALISED => UNINITIALISED
        o [CORRECT] Accept data from TTY before link initialisation
                This seems necessary to avoid chat (via pppd) dropping chars
        o [CRITICA] Remember allocated skb size to avoid to over-write it
        o [FEATURE] Remove  LM-IAS object once connected
        o [CORRECT] Avoid declaring link ready when it's not true