gistfile1.txt

[vagrant@f23t vagrant]$ cat test.nft 
#! @sbindir@nft -f

table ip connman {
        chain nat-prerouting {
                type nat hook prerouting priority 0;
        }

        chain nat-postrouting {
                type nat hook postrouting priority 0;
        }

        chain filter-output {
                type filter hook output priority 0;
        }
}
[vagrant@f23t vagrant]$ sudo nft -f test.nft
[vagrant@f23t vagrant]$ sudo nft list tables
table ip connman
[vagrant@f23t vagrant]$ sudo nft list chains
table ip connman {
        chain nat-prerouting {
                type nat hook prerouting priority 0; policy accept;
        }
        chain nat-postrouting {
                type nat hook postrouting priority 0; policy accept;
        }
        chain filter-output {
                type filter hook output priority 0; policy accept;
        }
}