Symptom
ASR1k Router is incorrectly reporting links removed from Port-Channel:
%EC-5-MINLINKS_NOTMET: Port-channel Port-channel1 is down bundled ports (0) doesn't meet min-links
TenGigabitEthernet0/0/2 taken out of port-channel1
TenGigabitEthernet0/0/2 added as member-1 to port-channel1
Issue is seen on 16.9.5
Conditions
+ When adding a sub-interface with the below combination:
1. encapsulation must be untagged (encapsulation dot1q 10 native)
2. added in admin down state
ASR1006-X(config-subif)#do sh run int po 1.10
Building configuration...
Current configuration : 68 bytes
!
interface Port-channel1.10
encapsulation dot1Q 10 native
shutdown
end
+ If an operating sub-interface with native encapsulation is shutdown, the logs will be seen
+ If a new sub-interface is added in admin up state, the issue is not seen.
Workaround
Issue a "no shutdown" command on sub-interface matching the conditions
Further Problem Description
This issue is cosmetic. Operating sub-interfaces will continue to pass traffic and interfaces are not really removed
