Starting Stunnel with configuration:
pid = /usr/local/var/run/stunnel.pid
foreground = yes
debug = notice
[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-source-zookeeper-client:2181
delay = yes
verify = 2
2020.04.15 00:25:05 LOG5[1:140274246654016]: stunnel 4.56 on x86_64-redhat-linux-gnu platform
2020.04.15 00:25:05 LOG5[1:140274246654016]: Compiled/running with OpenSSL 1.0.1e-fips 11 Feb 2013
2020.04.15 00:25:05 LOG5[1:140274246654016]: Threading:PTHREAD Sockets:POLL,IPv6 SSL:ENGINE,OCSP,FIPS Auth:LIBWRAP
2020.04.15 00:25:05 LOG5[1:140274246654016]: Reading configuration from file /tmp/stunnel.conf
2020.04.15 00:25:05 LOG5[1:140274246654016]: FIPS mode is enabled
2020.04.15 00:25:05 LOG5[1:140274246654016]: Configuration successful
2020.04.15 00:25:09 LOG5[1:140274246649600]: Service [zookeeper-2181] accepted connection from 127.0.0.1:35864
2020.04.15 00:25:09 LOG5[1:140274246649600]: connect_blocking: connected 172.30.27.52:2181
2020.04.15 00:25:09 LOG5[1:140274246649600]: Service [zookeeper-2181] connected remote server from 172.17.0.14:44142
2020.04.15 00:25:09 LOG5[1:140274246649600]: Certificate accepted: depth=1, /O=io.strimzi/CN=cluster-ca v0
2020.04.15 00:25:09 LOG5[1:140274246649600]: Certificate accepted: depth=0, /O=io.strimzi/CN=my-cluster-source-zookeeper
2020.04.15 00:25:10 LOG5[1:140274246579968]: Service [zookeeper-2181] accepted connection from 127.0.0.1:35884
2020.04.15 00:25:10 LOG5[1:140274246579968]: connect_blocking: connected 172.30.27.52:2181
2020.04.15 00:25:10 LOG5[1:140274246579968]: Service [zookeeper-2181] connected remote server from 172.17.0.14:44162
2020.04.15 00:25:11 LOG5[1:140274246510336]: Service [zookeeper-2181] accepted connection from 127.0.0.1:35904
2020.04.15 00:25:11 LOG5[1:140274246510336]: connect_blocking: connected 172.30.27.52:2181
2020.04.15 00:25:11 LOG5[1:140274246510336]: Service [zookeeper-2181] connected remote server from 172.17.0.14:44182
2020.04.15 00:25:13 LOG5[1:140274246399744]: Service [zookeeper-2181] accepted connection from 127.0.0.1:35928
2020.04.15 00:25:13 LOG5[1:140274246399744]: connect_blocking: connected 172.30.27.52:2181
2020.04.15 00:25:13 LOG5[1:140274246399744]: Service [zookeeper-2181] connected remote server from 172.17.0.14:44206