Hello everyone.  Something strange with my nftables filter after ajenti install.
I deleted ajenti, but the error still remains!

Then i type the command "nft" then I get the error:

Unable to initialize Netlink socket: Protocol not supported

service nftables status:

● nftables.service - nftables
   Loaded: loaded (/lib/systemd/system/nftables.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2021-02-20 11:47:28 MSK; 22min ago
     Docs: man:nft(8)
           http://wiki.nftables.org
  Process: 179 ExecStart=/usr/sbin/nft -f /etc/nftables.conf (code=exited, status=3)
Main PID: 179 (code=exited, status=3)

mx nft[179]: netlink.c:62: Unable to initialize Netlink socket: Protocol not supported
mx systemd[1]: nftables.service: Main process exited, code=exited, status=3/NOTIMPLEMENTED
mx systemd[1]: nftables.service: Failed with result 'exit-code'.
mx systemd[1]: Failed to start nftables.
Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

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journalctl -xe | grep nft
mx systemd[1]: Starting nftables...
-- Subject: Unit launch starts nftables.service
-- The process of starting the unit has begun nftables.service.
mx nft[3240]: netlink.c:62: Unable to initialize Netlink socket: Protocol not supported
mx systemd[1]: nftables.service: Main process exited, code=exited, status=3/NOTIMPLEMENTED
-- An ExecStart= process belonging to unit nftables.service has exited.
mx systemd[1]: nftables.service: Failed with result 'exit-code'.
-- The unit nftables.service has entered the 'failed' state with result 'exit-code'.
mx systemd[1]: Failed to start nftables.
-- Subject: Unit error nftables.service
-- Unit crashed nftables.service.

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ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:a3:85:aa brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.10/24 brd 192.168.0.255 scope global enp0s3
       valid_lft forever preferred_lft forever
    inet6 fe80::a00:27ff:fea3:85aa/64 scope link
       valid_lft forever preferred_lft forever

Please HELP!!!?

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