Debug commands

debug
    - trace
    - router router-instance
        - ip
            - [no] arp
            - [no] icmp
            - icmp6 [ip-int-name]
            - no icmp6
            - interface [ip-int-name]
            - no interface
            - [no] interface [ip-int-name | ip-address]
            - neighbor [ip-int-name]
            - packet [ip-int-name | ip-address] [headers] [protocol-id]
            - no packet [ip-int-name | ip-address]
            - route-table [ip-prefix/prefix-length] [longer]
            - no route-table