src: connection: Fix panic when DNS lookup fails #414

Job	Run time
formatting	4s
internal-tests (ardupilotmega)	1m 5s
linting	1m 47s
mavlink-dump	54s
internal-tests (asluav)	1m 18s
msrv	2m 1s
internal-tests (matrixpilot)	1m 26s
internal-tests (minimal)	1m 1s
internal-tests (paparazzi)	1m 15s
internal-tests (python_array_test)	1m 13s
internal-tests (slugs)	1m 5s
internal-tests (standard)	1m 7s
internal-tests (test)	1m 5s
internal-tests (ualberta)	1m 32s
internal-tests (uavionix)	1m 7s
internal-tests (icarous)	1m 5s
internal-tests (common)	1m 5s
docs	1m 4s
build	0s
test-embedded-size	0s
	21m 14s

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