On all Junos and Junos evolved platforms, continuous syslog error message like "sensor not present, skipping export for an external event" will be seen.
GNMI Unsubscription of Target-defined subscription not done correctly, which is causing the below error after unsubscription.
mib2d[11960]: Sensor 562953097928025 not present, skipping export for external event oc-ipv6-nd6-change (internal event ipv6-nd6-change
This issue might be seen if the following conditions are met:
This log message 'sensor not present, skipping export for an external event' doesn't impact any service, however it keeps logging on to the ‘messages’.
Restoration step is to restart the mib2d process during the MW time:
>restart mib-process gracefully
(Or) login into the shell as root user and kill the process:
> show system processes extensive | match mib2d
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
2678 root 21 0 808M 91M select 2 129:13 3.08% mib2d
> start shell user root
Password:
root@MX1:~ # kill -9 2678