Error occurs while running `./cluster-create.sh` about cb-ladybug HOT 15 CLOSED

INFO[7365] create MCIS OK.. (name=sjh1)
INFO[7365] start k8s bootstrap
INFO[7369] start script file copy (vm=sjh1-w-2-lj1o0, src=/home/jhseo/go/src/github.com/cloud-barista/cb-ladybug/src/scripts, dest=/tmp)
INFO[7369] start script file copy (vm=sjh1-w-1-hxxrm, src=/home/jhseo/go/src/github.com/cloud-barista/cb-ladybug/src/scripts, dest=/tmp)
INFO[7372] end script file copy (vm=sjh1-w-1-hxxrm, server=34.64.215.181:22)
INFO[7373] end script file copy (vm=sjh1-w-2-lj1o0, server=34.64.173.210:22)
Created symlink /etc/systemd/system/kubelet.service.wants/ladybug-bootstrap.service → /lib/systemd/system/ladybug-bootstrap.service.
Created symlink /etc/systemd/system/kubelet.service.wants/ladybug-bootstrap.service → /lib/systemd/system/ladybug-bootstrap.service.
INFO[7384] start script file copy (vm=sjh1-c-1-9k16i, src=/home/jhseo/go/src/github.com/cloud-barista/cb-ladybug/src/scripts, dest=/tmp)
debconf: unable to initialize frontend: Dialog
debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.)
debconf: falling back to frontend: Readline
debconf: unable to initialize frontend: Readline
debconf: (This frontend requires a controlling tty.)
debconf: falling back to frontend: Teletype
dpkg-preconfigure: unable to re-open stdin:
debconf: unable to initialize frontend: Dialog
debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.)
debconf: falling back to frontend: Readline
debconf: unable to initialize frontend: Readline
debconf: (This frontend requires a controlling tty.)
debconf: falling back to frontend: Teletype
dpkg-preconfigure: unable to re-open stdin:
Warning: apt-key output should not be parsed (stdout is not a terminal)
Warning: apt-key output should not be parsed (stdout is not a terminal)

...

INFO[7676] install networkCNI
INFO[7678] end k8s init
INFO[7678] start k8s join
INFO[7678] worker join (vm=sjh1-w-1-hxxrm)
W0708 10:27:02.911064   14105 join.go:346] [preflight] WARNING: JoinControlPane.controlPlane settings will be ignored when control-plane flag is not set.
INFO[7699] worker join (vm=sjh1-w-2-lj1o0)
W0708 10:27:23.498776   13779 join.go:346] [preflight] WARNING: JoinControlPane.controlPlane settings will be ignored when control-plane flag is not set.
INFO[7708] end k8s join
INFO[7708] duration := 6m30.624747945s

CB-Dragonfly 가 실행되어 있었으면
CB-Tumblebug 이 VM을 생성하고 CB-Dragonfly 모니터링 에이전트를 설치하는 과정에서
SSH 접속이 가능하다는 것이 검증되므로
CB-Ladybug이 SSH 접속에 실패하지 않았을 것입니다.

# cat /tmp/check_connectivity.sh
#!/bin/bash

server=10.10.10.10      # server IP
port=22                 # port
connect_timeout=5       # Connection timeout

ssh -q -o BatchMode=yes  -o StrictHostKeyChecking=no -o ConnectTimeout=$connect_timeout $server 'exit 0'
if [ $? == 0 ];then
   echo "SSH Connection to $server over port $port is possible"
else
   echo "SSH connection to $server over port $port is not possible"
fi