test/common/network: fix flakey test on Mac OS (#1551)
test/common/network: fix flakey test on Mac OS (#1551)


lyft/envoy,istio/envoy,lyft/envoy,rlazarus/envoy,istio/envoy,eklitzke/envoy,eklitzke/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy,sebrandon1/envoy,craffert0/envoy,istio/envoy,sebrandon1/envoy,eklitzke/envoy,envoyproxy/envoy,envoyproxy/envoy,craffert0/envoy,jrajahalme/envoy,tdmackey/envoy,lyft/envoy,fengli79/envoy,tdmackey/envoy,envoyproxy/envoy,amalgam8/envoy,sebrandon1/envoy,jrajahalme/envoy,istio/envoy,lizan/envoy,eklitzke/envoy,jrajahalme/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy,dnoe/envoy,craffert0/envoy,istio/envoy,jrajahalme/envoy,sebrandon1/envoy,jrajahalme/envoy,amalgam8/envoy,jrajahalme/envoy,istio/envoy,envoyproxy/envoy,lizan/envoy,fengli79/envoy,envoyproxy/envoy,dnoe/envoy,lizan/envoy,eklitzke/envoy,dnoe/envoy,rlazarus/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,fengli79/envoy,lizan/envoy,rlazarus/envoy,dnoe/envoy,envoyproxy/envoy-wasm,sebrandon1/envoy,eklitzke/envoy,tdmackey/envoy,tdmackey/envoy,lizan/envoy,lyft/envoy,craffert0/envoy,amalgam8/envoy,envoyproxy/envoy,dnoe/envoy,rlazarus/envoy,fengli79/envoy,amalgam8/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,istio/envoy,envoyproxy/envoy