diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index a142796..082496d 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -11,6 +11,31 @@
   "c_glib-rs_multi_framed-ip",
   "c_glib-rs_multic_buffered-ip",
   "c_glib-rs_multic_framed-ip",
+  "cl-c_glib_binary_buffered-ip",
+  "cl-c_glib_binary_framed-ip",
+  "cl-c_glib_multi_buffered-ip",
+  "cl-c_glib_multi_framed-ip",
+  "cl-c_glib_multi-binary_buffered-ip",
+  "cl-c_glib_multi-binary_framed-ip",
+  "cl-csharp_multi_buffered-ip",
+  "cl-csharp_multi_framed-ip",
+  "cl-go_binary_buffered-ip",
+  "cl-go_binary_framed-ip",
+  "cl-java_multi_buffered-ip",
+  "cl-java_multi_framed-ip",
+  "cl-java_multi_framed-fastframed-ip",
+  "cl-perl_multi_buffered-ip",
+  "cl-perl_multi_framed-ip",
+  "cl-rb_binary_buffered-ip",
+  "cl-rb_binary_framed-ip",
+  "cl-rb_binary-accel_buffered-ip",
+  "cl-rb_binary-accel_framed-ip",
+  "cl-rs_binary_buffered-ip",
+  "cl-rs_binary_framed-ip",
+  "cl-rs_multi_buffered-ip",
+  "cl-rs_multi_framed-ip",
+  "cl-rs_multi-binary_buffered-ip",
+  "cl-rs_multi-binary_framed-ip",
   "cpp-dart_binary_http-ip",
   "cpp-dart_compact_http-ip",
   "cpp-dart_json_http-ip",
@@ -301,11 +326,17 @@
   "rs-cpp_multic-compact_framed-ip",
   "rs-cpp_multic_buffered-ip",
   "rs-cpp_multic_framed-ip",
+  "rs-csharp_binary_buffered-ip",
   "rs-csharp_binary_framed-ip",
+  "rs-csharp_compact_buffered-ip",
   "rs-csharp_compact_framed-ip",
+  "rs-csharp_multi-binary_buffered-ip",
   "rs-csharp_multi-binary_framed-ip",
+  "rs-csharp_multi_buffered-ip",
   "rs-csharp_multi_framed-ip",
+  "rs-csharp_multic-compact_buffered-ip",
   "rs-csharp_multic-compact_framed-ip",
+  "rs-csharp_multic_buffered-ip",
   "rs-csharp_multic_framed-ip",
   "rs-dart_binary_framed-ip",
   "rs-dart_compact_framed-ip",