Clear commands

clear
    - router [router-instance] 
        - arp {all | ip-addr | interface {ip-int-name | ip-addr}}
        - bfd
            - session src-ip ip-address dst-ip ip-address
            - statistics src-ip ip-address dst-ip ip-address
        - statistics alldhcp
            - statistics [ip-int-name | ip-address]
        - icmp6 all
        - icmp6 global
        - icmp6 interface interface-name
        - neighbor {all | ipv6-address}
        - neighbor interface [ip-int-name | ipv6-address]
        - router-advertisement all
        - router-advertisement [interface interface-name]