I am trying to upgrade my rancher from 2.6.1 to 2.6.7 but after upgrade I keep getting below error

current-db-size":"11 MB","current-db-size-in-use-bytes":11010048,"current-db-size-in-use":"11 MB"}
{"level":"info","ts":"2022-08-31T18:03:31.302Z","caller":"backend/backend.go:549","msg":"finished defragmenting directory","path":"/var/lib/rancher/k3s/server/db/etcd/member/snap/db","current-db-size-bytes-diff":0,"current-db-size-bytes":11018240,"current-db-size":"11 MB","current-db-size-in-use-bytes-diff":0,"current-db-size-in-use-bytes":11010048,"current-db-size-in-use":"11 MB","took":"283.469846ms"}
{"level":"info","ts":"2022-08-31T18:03:31.303Z","caller":"v3rpc/maintenance.go:95","msg":"finished defragment"}
time="2022-08-31T18:03:31Z" level=info msg="Failed to test data store connection: this server is a not a member of the etcd cluster. Found [e79044ef3c73-b6f3123a=<http://localhost:2380>], expect: e79044ef3c73-b6f3123a=172.17.0.2"
time="2022-08-31T18:03:32Z" level=error msg="CA cert validation failed: Get \"<https://127.0.0.1:6444/cacerts>\": x509: certificate signed by unknown authority"
time="2022-08-31T18:03:33Z" level=info msg="Tunnel server egress proxy waiting for runtime core to become available"
time="2022-08-31T18:03:34Z" level=error msg="CA cert validation failed: Get \"<https://127.0.0.1:6444/cacerts>\": x509: certificate signed by unknown authority"
time="2022-08-31T18:03:36Z" level=error msg="CA cert validation failed: Get \"<https://127.0.0.1:6444/cacerts>\": x509: certificate signed by unknown authority"
time="2022-08-31T18:03:36Z" level=info msg="Defragmenting etcd database"
{"level":"info","ts":"2022-08-31T18:03:36.635Z","caller":"v3rpc/maintenance.go:89","msg":"starting defragment"}
{"level":"info","ts":"2022-08-31T18:03:36.639Z","caller":"backend/backend.go:497","msg":"defragmenting","path":"/var/lib/rancher/k3s/server/db/etcd/member/snap/db","current-db-size-bytes":11018240,"current-db-size":"11 MB","current-db-size-in-use-bytes":11010048,"current-db-size-in-use":"11 MB"}