I'm trying to create a rule that will drop every 100th PTP packet (Ethertype 0x88F7), but haven't found a way to get this working. This is using a 4.18.0-305.40.2.rt7.113.el8_4.x86_64 kernel with nftables-0.9.3-18.el8.x86_64. Is this something that is supported in nftables? Any suggestions?