From e4cc10594c3cfedeb66b089279e17386f26764bd Mon Sep 17 00:00:00 2001
From: Simon Lin <simonlin@google.com>
Date: Tue, 20 Apr 2021 01:26:12 +0800
Subject: [PATCH] [trel] remove Thread LLA on deinit (#6485)

---
 src/posix/platform/trel_udp6.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/posix/platform/trel_udp6.cpp b/src/posix/platform/trel_udp6.cpp
index 5b224b667..5710f12f8 100644
--- a/src/posix/platform/trel_udp6.cpp
+++ b/src/posix/platform/trel_udp6.cpp
@@ -654,6 +654,11 @@ void platformTrelDeinit(void)
         close(sMulticastSocket);
     }
 
+    if (!otIp6IsAddressUnspecified(&sInterfaceAddress))
+    {
+        RemoveUnicastAddress(&sInterfaceAddress);
+    }
+
     otLogDebgPlat("[trel] platformTrelDeinit()");
 }