From 8b0c1d889a39f9fc42b93732aff889bc5c16f8d8 Mon Sep 17 00:00:00 2001
From: hv202x1 <65007683+hv202x1@users.noreply.github.com>
Date: Fri, 4 Mar 2022 10:38:31 +0100
Subject: [PATCH] fix(EC2NetworkInterface): fix panic on not attached
 NetworkInterfaces :bug: (#752)

It is possible, that an interface is not attached. This leads to the fact that no AttachmendId is available. Accordingly, the string can also not be accessed.
---
 resources/ec2-network-interfaces.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/resources/ec2-network-interfaces.go b/resources/ec2-network-interfaces.go
index 26eb9e99..d7a54e69 100644
--- a/resources/ec2-network-interfaces.go
+++ b/resources/ec2-network-interfaces.go
@@ -47,10 +47,13 @@ func (e *EC2NetworkInterface) Remove() error {
 			Force:        aws.Bool(true),
 		})
 		if err != nil {
-			expected := fmt.Sprintf("The interface attachment '%s' does not exist.", *e.eni.Attachment.AttachmentId)
-			if !strings.Contains(err.Error(), expected) {
-				return err
+			if e.eni.Attachment.AttachmentId != nil {
+				expected := fmt.Sprintf("The interface attachment '%s' does not exist.", *e.eni.Attachment.AttachmentId)
+				if !strings.Contains(err.Error(), expected) {
+					return err
+				}
 			}
+
 		}
 	}