Hi friend.
Please remove the packet filter configuration with the following commands and add it to the link aggregation:
undo packet-filter inbound ip-group 3100 rule 1 port 0/20/1 to-cpu
undo packet-filter inbound ip-group 3100 rule 1 port 0/19/1 to-cpu
For more details about the command, please click: packet-filter
I hope I can help you!