Fix linter errors

firewall/api.go

@@ -149,7 +149,7 @@ func authenticateAPIRequest(ctx context.Context, pktInfo *packet.Info) (retry bo
 		originalPid = proc.Pid
 		var previousPid int
 
-		// Go up up to two levels, if we don't match the path.
+		// Find parent for up to two levels, if we don't match the path.
 		checkLevels := 2
 	checkLevelsLoop:
 		for i := 0; i < checkLevels+1; i++ {

firewall/interception/nfq/nfq.go

@@ -90,7 +90,7 @@ func New(qid uint16, v6 bool) (*Queue, error) { //nolint:gocognit
 	return q, nil
 }
 
-// open opens a new netlink socket and and creates a new nfqueue.
+// open opens a new netlink socket and creates a new nfqueue.
 // Upon success, the new nfqueue is atomically stored in Queue.nf.
 // Users must use Queue.getNfq to access it. open does not care about
 // any other value or queue that might be stored in Queue.nf at

firewall/prompt.go

@@ -135,7 +135,7 @@ func createPrompt(ctx context.Context, conn *network.Connection) (n *notificatio
 		n.Unlock()
 
 		// If the notification is still active, extend and return.
-		// This can can happen because user input (prompts changing the endpoint
+		// This can happen because user input (prompts changing the endpoint
 		// lists) can happen any time - also between checking the endpoint lists
 		// and now.
 		if state == notifications.Active {