C client(3.7) can't read data from server 3.4.15 via host

2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1250: Client environment:zookeeper.version=zookeeper C client 3.7.0
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1254: Client environment:host.name=host
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1261: Client environment:os.name=Linux
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1262: Client environment:os.arch=3.18.6-2.el7.centos.x86_64
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1263: Client environment:os.version=#1 SMP Mon Oct 24 13:01:33 CST 2016
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1271: Client environment:user.name=(null)
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1279: Client environment:user.home=/home/work
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@log_env@1291: Client environment:user.dir=/home/work/app/pegasus/tjwqtst-msg/meta
2022-07-28 16:25:15,412:63056(0x7f2f8d699700):ZOO_INFO@zookeeper_init_internal@1344: Initiating client connection, host=host:21000 sessionTimeout=10000 watcher=0x7f2fa97f1fc0 sessionId=0 sessionPasswd=<null> context=0x2082790 flags=0
2022-07-28 16:25:15,449:63056(0x7f2f7c652700):ZOO_INFO@check_events@2988: initiated connection to server IP:21000
2022-07-28 16:25:15,467:63056(0x7f2f7c652700):ZOO_INFO@finalize_session_establishment@2868: session establishment complete on server IP:21000, sessionId=0xff82392b354205db, negotiated timeout=10000
2022-07-28 16:25:47,814:63056(0x7f2f7c652700):ZOO_WARN@zookeeper_interest@2532: Exceeded deadline by 1021ms
2022-07-28 16:26:13,404:63056(0x7f2f7c652700):ZOO_WARN@zookeeper_interest@2532: Exceeded deadline by 1021ms
2022-07-28 16:26:29,014:63056(0x7f2f7c652700):ZOO_ERROR@resolve_hosts@947: getaddrinfo: Name or service not known