README: add requirements for RestrictNetworkInterfaces=

mauriciovasquezbernal · mauriciovasquezbernal · commit 43689840a2d5 · 2021-08-19T07:25:01.000-05:00
Signed-off-by: Mauricio Vásquez &lt;mauricio@kinvolk.io&gt;
diff --git a/README b/README
@@ -40,6 +40,7 @@ REQUIREMENTS:
         Linux kernel >= 4.17 for cgroup-bpf socket address hooks
         Linux kernel >= 5.3 for bounded-loops in BPF program
         Linux kernel >= 5.4 for signed Verity images support
+        Linux kernel >= 5.7 for BPF links
 
         Kernel Config Options:
           CONFIG_DEVTMPFS
@@ -108,7 +109,8 @@ REQUIREMENTS:
           CONFIG_HAVE_EBPF_JIT
           CONFIG_CGROUP_BPF
 
-        Required for SocketBind{Allow|Deny}= in resource control unit settings
+        Required for SocketBind{Allow|Deny}=, RestrictNetworkInterfaces= in
+        resource control unit settings
           CONFIG_BPF
           CONFIG_BPF_SYSCALL
           CONFIG_BPF_JIT
