Apply a patch to allow tls_insecure_skip_verify to be set in the
vault etcd backend config. This will cause vault to skip the
validation of the etcd servers TLS cetificate. Specifying
'tls_insecure_skip_verify = "true"' in vaults etcd configuration
works around issue https://github.com/hashicorp/vault/issues/4961
Apply a patch to allow tls_insecure_skip_verify to be set in the vault etcd backend config. This will cause vault to skip the validation of the etcd servers TLS cetificate. Specifying 'tls_insecure_skip_verify = "true"' in vaults etcd configuration works around issue https://github.com/hashicorp/vault/issues/4961