Copy IPv6 support to submodules + fixes + small enhancements

diff --git a/can-utils b/can-utils
index 7081955244c944791c05eab1fb7440c26038575c..95a2346d9b29ad7dbc67154fc535aaa5bbf9c5f7 160000 (submodule)
--- a/can-utils
+++ b/can-utils
@@ -1 +1 @@
-Subproject commit 7081955244c944791c05eab1fb7440c26038575c
+Subproject commit 95a2346d9b29ad7dbc67154fc535aaa5bbf9c5f7

diff --git a/linux b/linux
index 8ef9678d30f06438daf10a353b24a1c38a284a1b..314b30aeb5635172c64919622386a23e17e898ef 160000 (submodule)
--- a/linux
+++ b/linux
@@ -1 +1 @@
-Subproject commit 8ef9678d30f06438daf10a353b24a1c38a284a1b
+Subproject commit 314b30aeb5635172c64919622386a23e17e898ef