Relevent telegraf.conf

[[inputs.opcua]]
  name = "xyz"
  endpoint = "opc.tcp://xxx.yyy.wwww.zzz:4840"
  security_policy = "None"
  security_mode = "None"
  nodes = [
    { name="abc",  namespace="6",  identifier_type="s",  identifier="abc"},
    { name="def",  namespace="6",  identifier_type="s",  identifier="def"},
...
]

System info

Telegraf 1.20.3, Windows 10

Docker

No response

Steps to reproduce

1. Simly running Telegraf with that plugin

...

Expected behavior

No errors

Actual behavior

After some random time (hours, one day at most) it crashes:

goroutine 68418 [running]:
github.com/gopcua/opcua/uasc.(*SecureChannel).dispatcher(0xc0007b8000)
/go/pkg/mod/github.com/gopcua/opcua@v0.2.0-rc2.0.20210409063412-baabb9b14fd2/uasc/secure_channel.go:208 +0x185
created by github.com/gopcua/opcua/uasc.(*SecureChannel).open.func1
/go/pkg/mod/github.com/gopcua/opcua@v0.2.0-rc2.0.20210409063412-baabb9b14fd2/uasc/secure_channel.go:496 +0x5f

Additional info

No response