Scenario 1: `10.job; 0.job` ncluster connect `0.job` will connect to `10.job`, user expected to connect to `0.job` Scenario 2: `0.job; 0.job` no way to connect to specific version. Solution: - connect to strict prefix if there's a match - otherwise switch to more relaxed mode and find substring. Connect to most recent task launched unless one of the tasks is chief (`0.somename`)