When I try Custom with RKE on Rancher 2.9.1 when I tried to add cluster

"error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T20:59:49.074071Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:33546","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 20:59:49 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T20:59:51.923648Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:54784","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 20:59:51 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T20:59:56.327073Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:54798","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 20:59:56 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T21:00:02.988102Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:48186","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 21:00:02 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T21:00:13.546428Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:33758","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 21:00:13 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"
{"level":"warn","ts":"2024-09-07T21:00:31.812329Z","caller":"embed/config_logging.go:169","msg":"rejected connection","remote-addr":"127.0.0.1:55994","server-name":"","error":"tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of \"crypto/rsa: verification error\" while trying to verify candidate authority certificate \"kube-ca\")"}
2024/09/07 21:00:31 WARNING: [core] [Channel #3 SubChannel #4] grpc: addrConn.createTransport failed to connect to {Addr: "0.0.0.0:2379", ServerName: "0.0.0.0:2379", }. Err: connection error: desc = "error reading server preface: remote error: tls: bad certificate"