[supervisor.api.ingress] Ingress error: Cannot connect to host 172.30.32.1:64966 ssl:default [Connect call failed ('172.30.32.1', 64966)]

i’ve this error:
[supervisor.api.ingress] Ingress error: Cannot connect to host 172.30.32.1:64966 ssl:default [Connect call failed (‘172.30.32.1’, 64966)]

i think there is a problem of node red.
how could i resove it?
Node red is very slow and handles calls not in real time but after several minutes