Delete Arp Trafic For Arp Table - MikroTik Script RouterOS
Here are two scripts that blank ARP trafic and log the arp trafic. You have to scheduled the scripts.

# Script1
/ip arp print file=mauro; 
:local i [/ip arp print count-only]; 
:for a from=0 to=($i - 2) do={:log [/ip arp print $a ] 

# Script2
/ip arp print file=mauro; 
:local i [/ip arp print count-only];
:for a from= 0 to=($i - 2) do={[/ip arp remove $i]}