Add newlines to port-forward error output #5783

Job	Run time
meta	9s
meta	9s
info	1s
info	1s
build-cli	2m 58s
build-cli	2m 58s
build-ext (jaeger-webhook)	2m 34s
build-ext (jaeger-webhook)	2m 34s
build-core (controller)	2m 52s
build-core (controller)	2m 52s
build-ext (metrics-api)	2m 22s
build-ext (metrics-api)	2m 22s
build-core (policy-controller)	5m 14s
build-core (policy-controller)	5m 14s
build-ext (tap)	2m 37s
build-ext (tap)	2m 37s
build-core (proxy)	2m 23s
build-core (proxy)	2m 23s
build-ext (web)	3m 56s
build-ext (web)	3m 56s
test-viz	5m 23s
test-viz	5m 23s
test-policy (v1.22)	13m 37s
test-policy (v1.22)	13m 37s
test-policy (v1.31)	13m 10s
test-policy (v1.31)	13m 10s
test-core (cni-calico-deep)	3m 27s
test-core (cni-calico-deep)	2m 26s
build-ok	1s
build-ok	1s
test-core (deep)	3m 22s
test-core (deep)	1m 29s
test-ext (cluster-domain)	3m 23s
test-ext (cluster-domain)	3m 23s
test-core (deep-native-sidecar)	3m 3s
test-core (deep-native-sidecar)	3m 3s
test-ext (default-policy-deny)	3m 44s
test-ext (default-policy-deny)	3m 44s
test-multicluster (v1.22)	9m 42s
test-multicluster (v1.22)	9m 42s
test-multicluster (v1.31)	7m 53s
test-multicluster (v1.31)	7m 53s
test-ext (external)	4m 53s
test-ext (external)	4m 53s
test-ext (rsa-ca)	2m 51s
test-ext (rsa-ca)	2m 51s
test-ext (helm-upgrade)	4m 42s
test-ext (helm-upgrade)	4m 42s
test-ext (uninstall)	4m 32s
test-ext (uninstall)	4m 32s
test-ext (upgrade-edge)	4m 28s
test-ext (upgrade-edge)	4m 28s
integrations-ok	1s
integrations-ok	1s
integrations-retry	3s
integrations-retry	0s
	3h 43m 45s

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