diff --git a/sysfs.cpp b/sysfs.cpp
index 9cf1552..369d2e7 100644
--- a/sysfs.cpp
+++ b/sysfs.cpp
@@ -54,6 +54,14 @@
      * eventually get ENOENT.
      */
     ENXIO,
+
+    /*
+     * We can see this from some drivers when we try to do
+     * a read in the middle of them being unbound.  The
+     * unbinding should complete before the retries are up
+     * and kill this process.
+     */
+    ENODEV,
 };
 
 static const auto emptyString = ""s;