Thank you for the quick reply.
in the oscam.server I am using:
device = 001:003
So maybe the entry for the docker is not needed.
Have found the ID of the smargo, by looking in system devices in Unraid.
I have changed the protocol to smartreader, and not I get this:
2020/12/18 01:01:18 00000000 s (main) System name = Linux
2020/12/18 01:01:18 00000000 s (main) Host name = 73e7b8493d20
2020/12/18 01:01:18 00000000 s (main) Release = 4.19.107-Unraid
2020/12/18 01:01:18 00000000 s (main) Version = #1 SMP Thu Mar 5 13:55:57 PST 2020
2020/12/18 01:01:18 00000000 s (main) Machine = x86_64
2020/12/18 01:01:18 00000000 s (main) creating pidfile /tmp/.oscam/oscam.pid with pid 653
2020/12/18 01:01:18 00000000 s (config) userdb reloaded: 1 accounts loaded, 0 expired, 0 disabled
2020/12/18 01:01:18 00000000 s (main) signal handling initialized
2020/12/18 01:01:18 00000000 s (reader) smargo [smartreader] creating thread for device 001:003
2020/12/18 01:01:18 00000000 s (emmcache) loaded 0 emmcache records from /tmp/.oscam/oscam.emmcache in 0 ms
2020/12/18 01:01:18 00000000 s (emmcache) loaded 0 emmstat records from /tmp/.oscam/oscam.emmstat in 0 ms
2020/12/18 01:01:18 00000000 s (anticasc) ERROR: anti cascading is enabled but ac_logfile is not set.
2020/12/18 01:01:18 5FFA4A18 c (client) plain dvbapi-client granted (tvheadend, au=auto (1 reader))
2020/12/18 01:01:18 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:18 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:18 5FFA4A18 c (dvbapi) dvbapi channelcache loaded from /config/oscam/oscam.ccache
2020/12/18 01:01:18 5FFA4A18 c (dvbapi) Using /tmp/camd.socket listen socket, API forced to DVBAPIv3 (0), userconfig boxtype: 11
2020/12/18 01:01:18 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:18 1B32B057 h (webif) webif: decompressed 185234 bytes back into 487096 bytes
2020/12/18 01:01:18 1B32B057 h (webif) HTTP Server running. ip=0.0.0.0 port=8888
2020/12/18 01:01:20 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:20 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:20 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:22 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:22 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:22 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:24 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:24 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:24 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:26 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:26 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:26 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:28 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:28 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:28 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:30 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:30 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:30 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:32 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:32 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:32 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:34 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:34 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:34 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:36 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:36 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:36 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
2020/12/18 01:01:38 5FD4E7F5 r (reader) smargo [smartreader] Endpoint check failed, assuming this is not a smartreader
2020/12/18 01:01:38 5FD4E7F5 r (reader) smargo [smartreader] Smartreader device 001:003 not found
2020/12/18 01:01:38 5FD4E7F5 r (reader) smargo [smartreader] Cannot open device: 001:003
I tried googling "Endpoint check failed, assuming this is not a smartreader", but I cannot find the issue.