fix: 4.x can't connect to the cluster when first node is non responsive #715

Job	Run time
Unit tests (8)	1m 25s
Full verify (8)	1m 44s
Build (8)	57s
Setup ITs	4s
Cassandra ITs (RELEASE-3.X, 8)	1m 29s
Scylla ITs (ENTERPRISE-RELEASE, 8)	1m 34s
Cassandra ITs (RELEASE-4.X, 8)	1m 42s
Scylla ITs (ENTERPRISE-PRIOR-RELEASE, 8)	1m 56s
Scylla ITs (OSS-RELEASE, 8)	1m 52s
Scylla ITs (OSS-PRIOR-RELEASE, 8)	1m 49s
	14m 32s

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