OSMI may have missed some ferries in the process of calculating "island" roads.

[supersquidgirl]

OSMI link for the issue: https://tools.geofabrik.de/osmi/?view=routing&lon=24.99040&lat=39.53965&zoom=15

I am currently working to resolve as many OSMI errors for elements that were last edited by me. However, I have run into some errors that may be a false positive.

It appears to me that the ferries have not been updated, because all the roads in Agios Efstratios are reported to be "islands", despite having a ferry to the mainland that allows motor vehicles. Compare with this ferry, which also has motor_vehicle=yes, but is not reported as an error on OSMI.