imq0 imq1 on EdgeRouter 5 PoE

Hello,

I want to set few things on EdgeRouter 5 PoE:

ip link set imq0 up
ip link set imq1 up

tc qdisc del root dev imq1 2> /dev/null
tc qdisc del root dev imq0 2> /dev/null

..

and etc. etc.  

imq0 - download

imq1 - upload

problem is that cannot activate imq1 

What should I do first ?

Best regards,

PK