The DNS experiment could not be revoked #159
Description
Issue Description
bug report
Describe what happened (or what feature you want)
The DNS experiment could not be revoked
Describe what you expected to happen
How to reproduce it (as minimally and precisely as possible)
blade create k8s container-network dns --names tomcat-7c4d68c759-9qqxm --kubeconfig ~/.kube/config --domain www.xx.com --ip 10.10.10.1 --container-names tomcat
blade destroy xxxx
Tell us your environment
chaosblade 1.6.1
Anything else we need to know?
Because the DNS experiment is implemented by modifying /etc/hosts, recovery should not enter the MNT namespace of the pause container.