Add DeleteTable method to NFT interface and implementation.

nft.go

@@ -7,10 +7,22 @@ import (
 // NFT A client for working with nftables
 type NFT interface {
 	// Clear clears all rules.
+	//
+	// This command is equivalent to:
+	//    nft flush ruleset
 	Clear() error
 
 	// AddTable adds a new table.
+	//
+	// This command is equivalent to:
+	//     nft add table (ip|ip6|inet|arp|bridge) {name}
 	AddTable(family FamilyType, name string) error
+
+	// DeleteTable deletes a table.
+	//
+	// This command is equivalent to:
+	//     nft delete table (ip|ip6|inet|arp|bridge) {name}
+	DeleteTable(family FamilyType, name string) error
 }
 
 type nft struct {
@@ -51,3 +63,8 @@ func (n *nft) AddTable(family FamilyType, name string) error {
 	args := []string{"add", "table", family.String(), name}
 	return executeCommand(n.path, args...)
 }
+
+func (n *nft) DeleteTable(family FamilyType, name string) error {
+	args := []string{"delete", "table", family.String(), name}
+	return executeCommand(n.path, args...)
+}