Starting Stunnel with configuration:
pid = /usr/local/var/run/stunnel.pid
foreground = yes
debug = notice
sslVersion = TLSv1.2
[zookeeper-2181]
client = yes
CAfile = /tmp/cluster-ca.crt
cert = /etc/tls-sidecar/eo-certs/entity-operator.crt
key = /etc/tls-sidecar/eo-certs/entity-operator.key
accept = 127.0.0.1:2181
connect = my-cluster-zookeeper-client:2181
delay = yes
verify = 2
2020.05.07 21:27:08 LOG5[1:140382060984384]: stunnel 4.56 on x86_64-redhat-linux-gnu platform
2020.05.07 21:27:08 LOG5[1:140382060984384]: Compiled/running with OpenSSL 1.0.1e-fips 11 Feb 2013
2020.05.07 21:27:08 LOG5[1:140382060984384]: Threading:PTHREAD Sockets:POLL,IPv6 SSL:ENGINE,OCSP,FIPS Auth:LIBWRAP
2020.05.07 21:27:08 LOG5[1:140382060984384]: Reading configuration from file /tmp/stunnel.conf
2020.05.07 21:27:08 LOG5[1:140382060984384]: FIPS mode is enabled
2020.05.07 21:27:08 LOG5[1:140382060984384]: Configuration successful
2020.05.07 21:27:11 LOG5[1:140382060979968]: Service [zookeeper-2181] accepted connection from 127.0.0.1:58588
2020.05.07 21:27:11 LOG5[1:140382060979968]: connect_blocking: connected 172.30.182.172:2181
2020.05.07 21:27:11 LOG5[1:140382060979968]: Service [zookeeper-2181] connected remote server from 172.17.0.16:59444
2020.05.07 21:27:11 LOG5[1:140382060979968]: Certificate accepted: depth=1, /O=io.strimzi/CN=cluster-ca v0
2020.05.07 21:27:11 LOG5[1:140382060979968]: Certificate accepted: depth=0, /O=io.strimzi/CN=my-cluster-zookeeper
2020.05.07 21:27:12 LOG5[1:140382060910336]: Service [zookeeper-2181] accepted connection from 127.0.0.1:58600
2020.05.07 21:27:12 LOG5[1:140382060910336]: connect_blocking: connected 172.30.182.172:2181
2020.05.07 21:27:12 LOG5[1:140382060910336]: Service [zookeeper-2181] connected remote server from 172.17.0.16:59456
2020.05.07 21:27:12 LOG5[1:140382060910336]: Certificate accepted: depth=1, /O=io.strimzi/CN=cluster-ca v0
2020.05.07 21:27:12 LOG5[1:140382060910336]: Certificate accepted: depth=0, /O=io.strimzi/CN=my-cluster-zookeeper
2020.05.07 21:27:13 LOG5[1:140382060840704]: Service [zookeeper-2181] accepted connection from 127.0.0.1:58608
2020.05.07 21:27:13 LOG5[1:140382060840704]: connect_blocking: connected 172.30.182.172:2181
2020.05.07 21:27:13 LOG5[1:140382060840704]: Service [zookeeper-2181] connected remote server from 172.17.0.16:59464
2020.05.07 21:27:13 LOG5[1:140382060840704]: Certificate accepted: depth=1, /O=io.strimzi/CN=cluster-ca v0
2020.05.07 21:27:13 LOG5[1:140382060840704]: Certificate accepted: depth=0, /O=io.strimzi/CN=my-cluster-zookeeper