panic: error initializing database session: error connecting to db server: no reachable servers

goroutine 16 [running]:
runtime.panic(0x63fb40, 0xc208001530)
	/usr/local/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/shelman/mongo-tools-proto/common/util.Panicf(0x7430f0, 0x27, 0x2b7b387cced0, 0x1, 0x1)
	/data/mci/shell/src/src/github.com/shelman/mongo-tools-proto/common/util/fmt.go:15 +0x92
main.main()
	/data/mci/shell/src/src/github.com/shelman/mongo-tools-proto/mongoimport/main/mongoimport.go:43 +0x558

goroutine 19 [finalizer wait]:
runtime.park(0x4139b0, 0x894820, 0x893309)
	/usr/local/go/src/pkg/runtime/proc.c:1369 +0x89
runtime.parkunlock(0x894820, 0x893309)
	/usr/local/go/src/pkg/runtime/proc.c:1385 +0x3b
runfinq()
	/usr/local/go/src/pkg/runtime/mgc0.c:2644 +0xcf
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1445
...