fix: 4.x can't connect to the cluster when first node is non responsive #716

Job	Run time
Build (8)	1m 0s
Unit tests (8)	1m 22s
Setup ITs	8s
Full verify (8)	19s
Cassandra ITs (RELEASE-3.X, 8)	1m 35s
Scylla ITs (ENTERPRISE-RELEASE, 8)	1m 41s
Cassandra ITs (RELEASE-4.X, 8)	1m 36s
Scylla ITs (ENTERPRISE-PRIOR-RELEASE, 8)	1m 39s
Scylla ITs (OSS-RELEASE, 8)	1m 50s
Scylla ITs (OSS-PRIOR-RELEASE, 8)	1m 52s
	13m 2s

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