then I test with old version (v2.6.2), got different error
$ docker run -d --restart=unless-stopped -p 80:80 -p 443:443 --privileged rancher/rancher:v2.6.2
E0109 06:12:38.750418 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: Get "https://127.0.0.1:6443/apis/storage.k8s.io/v1beta1/csistoragecapacities?limit=500&resourceVersion=0&timeout=15m0s": dial tcp 127.0.0.1:6443: connect: connection refused
I0109 06:12:38.750579 33 trace.go:205] Trace[1851436145]: "Reflector ListAndWatch" name:pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168 (09-Jan-2022 06:12:27.035) (total time: 11715ms):
Trace[1851436145]: [11.71545444s] [11.71545444s] END
E0109 06:12:38.750593 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: Get "https://127.0.0.1:6443/apis/management.cattle.io/v3/notifiers?limit=500&resourceVersion=0&timeout=15m0s": dial tcp 127.0.0.1:6443: connect: connection refused
I0109 06:12:38.750812 33 trace.go:205] Trace[846354525]: "Reflector ListAndWatch" name:pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168 (09-Jan-2022 06:12:27.035) (total time: 11715ms):
Trace[846354525]: [11.715777712s] [11.715777712s] END
E0109 06:12:38.750825 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: Get "https://127.0.0.1:6443/apis/helm.cattle.io/v1/helmcharts?limit=500&resourceVersion=0&timeout=15m0s": dial tcp 127.0.0.1:6443: connect: connection refused
I0109 06:12:38.751003 33 trace.go:205] Trace[1703065245]: "Reflector ListAndWatch" name:pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168 (09-Jan-2022 06:12:27.034) (total time: 11716ms):
Trace[1703065245]: [11.716079321s] [11.716079321s] END
E0109 06:12:38.751015 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: Get "https://127.0.0.1:6443/apis/fleet.cattle.io/v1alpha1/clusters?limit=500&resourceVersion=0&timeout=15m0s": dial tcp 127.0.0.1:6443: connect: connection refused
W0109 06:12:38.752996 33 reflector.go:437] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: watch of *summary.SummarizedObject ended with: very short watch: pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Unexpected watch close - watch lasted less than a second and no items received
W0109 06:12:38.753198 33 reflector.go:437] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: watch of *summary.SummarizedObject ended with: very short watch: pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Unexpected watch close - watch lasted less than a second and no items received
W0109 06:12:38.754598 33 reflector.go:437] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: watch of *summary.SummarizedObject ended with: very short watch: pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Unexpected watch close - watch lasted less than a second and no items received
I0109 06:12:38.754777 33 trace.go:205] Trace[292331815]: "Reflector ListAndWatch" name:pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168 (09-Jan-2022 06:12:26.986) (total time: 11768ms):
Trace[292331815]: [11.768389788s] [11.768389788s] END
E0109 06:12:38.754804 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: unexpected error when reading response body. Please retry. Original error: unexpected EOF
W0109 06:12:38.755138 33 reflector.go:437] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: watch of *summary.SummarizedObject ended with: very short watch: pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Unexpected watch close - watch lasted less than a second and no items received
2022/01/09 06:12:38 [ERROR] error syncing 'authn-manage': handler mgmt-auth-gr-controller: Put "https://127.0.0.1:6443/apis/management.cattle.io/v3/globalroles/authn-manage": EOF, requeuing
W0109 06:12:38.757983 33 reflector.go:437] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: watch of *summary.SummarizedObject ended with: very short watch: pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Unexpected watch close - watch lasted less than a second and no items received
I0109 06:12:38.758533 33 trace.go:205] Trace[801323015]: "Reflector ListAndWatch" name:pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168 (09-Jan-2022 06:12:27.038) (total time: 11719ms):
Trace[801323015]: [11.719919369s] [11.719919369s] END
E0109 06:12:38.758565 33 reflector.go:139] pkg/mod/github.com/rancher/client-go@v0.21.0-rancher.1/tools/cache/reflector.go:168: Failed to watch *summary.SummarizedObject: failed to list *summary.SummarizedObject: Get "https://127.0.0.1:6443/apis/catalog.cattle.io/v1/apps?limit=500&resourceVersion=0&timeout=15m0s": dial tcp 127.0.0.1:6443: connect: connection refused
2022/01/09 06:12:38 [ERROR] error syncing 'admin': handler mgmt-auth-gr-controller: Put "https://127.0.0.1:6443/apis/management.cattle.io/v3/globalroles/admin": dial tcp 127.0.0.1:6443: connect: connection refused, requeuing
2022/01/09 06:12:38 [ERROR] error syncing 'persistentvolumeclaims-view': handler legacy-rt-cleaner: Put "https://127.0.0.1:6443/apis/management.cattle.io/v3/roletemplates/persistentvolumeclaims-view": dial tcp 127.0.0.1:6443: connect: connection refused, requeuing
2022/01/09 06:12:38 [FATAL] k3s exited with: exit status 255