can: Add Other error kind

src/can/mod.rs

@@ -87,6 +87,9 @@ pub enum ErrorKind {
     /// An ACK  error shall be detected by a transmitter whenever it does not
     /// monitor a dominant bit during the ACK slot.
     Ack,
+
+    /// A different error occurred. The original error may contain more information.
+    Other,
 }
 
 impl Error for ErrorKind {
@@ -110,6 +113,10 @@ impl core::fmt::Display for ErrorKind {
                 "A fixed-form bit field contains one or more illegal bits"
             ),
             Self::Ack => write!(f, "Transmitted frame was not acknowledged"),
+            Self::Other => write!(
+                f,
+                "A different error occurred. The original error may contain more information"
+            ),
         }
     }
 }