_(SYSCALL_ERROR_7, -17, "System call error #7") \
_(SYSCALL_ERROR_8, -18, "System call error #8") \
_(SYSCALL_ERROR_9, -19, "System call error #9") \
-_(SYSCALL_ERROR_10, -20, "System call error #9") \
+_(SYSCALL_ERROR_10, -20, "System call error #10") \
_(FEATURE_DISABLED, -30, "Feature disabled by configuration") \
_(INVALID_REGISTRATION, -31, "Invalid registration") \
_(NEXT_HOP_NOT_IN_FIB, -50, "Next hop not in FIB") \