Fix Improve log when agent fails to join a new Node #30734

Job	Run time
Check whether tests need to be run based on diff	21s
Build Antrea image to be used for Kind e2e tests	4m 3s
Build Flow Aggregator image to be used for Kind e2e tests	3m 10s
E2e tests on a Kind cluster on Linux with all features enabled	55m 32s
E2e tests on a Kind cluster on Linux (noEncap)	36m 25s
API compatible with client version N-1	8m 44s
E2e tests on a Kind cluster on Linux	44m 11s
E2e tests on a Kind cluster on Linux with non default values (proxyAll=true, LoadBalancerMode=DSR...	46m 14s
E2e tests on a Kind cluster on Linux for Flow Visibility	29m 18s
E2e tests on a Kind cluster on Linux (hybrid)	36m 32s
NetworkPolicy conformance tests on a Kind cluster on Linux	8m 18s
Antrea-native (VLAN) secondary network tests on a Kind cluster on Linux	3m 13s
Upgrade from Antrea version N-1	9m 8s
Upgrade from Antrea version N-2	9m 7s
API compatible with client version N-2	8m 33s
Validate metrics in Prometheus document match running deployment's	1m 59s
Delete uploaded images	4s
	5h 4m 52s

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