As it says on the tin!
Sep 23 15:22:08 MacBook-Pro Uplink(239): CGDisplayBaseAddress is obsolete and returning NULL for display 0x7bd8d6ff
Sep 23 15:23:12 MacBook-Pro com.apple.launchd.peruser.501(124) ((0x0-0x1e01e).uk.co.introversion.Uplink(239)): Exited with code: 255
Crashes with world map open while linking IPs to bounce a connection.