FreeBSD/src 4b9a5d6 (r295556)share/examples/jails jng jib

Comments and fix small bug

Reduce differences between jib/jng and fix a bug that would prevent
additional interfaces from being created if the first of many already
existed (counter wasn't incremented before calling only continue).
DeltaFile
+13-10share/examples/jails/jng
+11-8share/examples/jails/jib
+24-182 files

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