nftables meter

nft add table filter
nft add chain filter input {type filter hook input priority 0\;}

----------
Attempt 1:
----------
nft add rule inet filter input ct state new tcp dport 22 meter rate_limit \{ ip saddr limit rate 10/second \} accept

Error: Could not process rule: No such file or directory
add rule inet filter input ct state new tcp dport 22 meter rate_limit { ip saddr limit rate 10/second } accept
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

---------
Attept 2:
---------
nft add rule inet filter input tcp dport 22 ct state new meter \{ ip saddr limit rate 10/second \} accept

Error: syntax error, unexpected '{', expecting string
add rule inet filter input tcp dport 22 ct state new meter { ip saddr limit rate 10/second } accept
                                                           ^
---------
Attempt 3:
---------
nft add set filter rate_limit { type ipv4_addr\; flags constant, interval \;}
nft add rule inet filter input tcp dport 22 ct state new meter rate_limit \{ ip saddr limit rate 10/second \} accept


Error: Could not process rule: No such file or directory
add rule inet filter input tcp dport 22 ct state new meter rate_limit { ip saddr limit rate 10/second } accept
                                                                        ^^^^^^^^
Error: Could not process rule: No such file or directory
add rule inet filter input tcp dport 22 ct state new meter rate_limit { ip saddr limit rate 10/second } accept
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

---------
Attempt 4:
---------
nft list ruleset

table ip filter {
    set rate_limit {
        type ipv4_addr
        flags constant,interval
    }

    chain input {
        type filter hook input priority 0; policy accept;
    }
}


nft add rule inet filter input ct state new tcp dport \{22, 2222\} meter rate_limit \{ ip saddr . tcp dport limit rate over 10/minute \} drop

Error: Could not process rule: No such file or directory
add rule inet filter input ct state new tcp dport {22, 2222} meter rate_limit { ip saddr . tcp dport limit rate over 10/minute } drop
                                                  ^^^^^^^^^^
Error: Could not process rule: No such file or directory
add rule inet filter input ct state new tcp dport {22, 2222} meter rate_limit { ip saddr . tcp dport limit rate over 10/minute } drop
                                                  ^^^^^^^^^^
Error: Could not process rule: No such file or directory
add rule inet filter input ct state new tcp dport {22, 2222} meter rate_limit { ip saddr . tcp dport limit rate over 10/minute } drop
                                                                                ^^^^^^^^^^^^^^^^^^^^
Error: Could not process rule: No such file or directory
add rule inet filter input ct state new tcp dport {22, 2222} meter rate_limit { ip saddr . tcp dport limit rate over 10/minute } drop
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

---------
Attempt 5:
---------
nft add rule inet filter input tcp dport 22 ct state new meter \{ ip saddr limit rate 10/second \}

Error: syntax error, unexpected '{', expecting string
add rule inet filter input tcp dport 22 ct state new meter { ip saddr limit rate 10/second }