diff --git a/ntp_io.c b/ntp_io.c
index d63eb1d..5c8c47a 100644
--- a/ntp_io.c
+++ b/ntp_io.c
@@ -717,6 +717,20 @@ read_from_socket(int sock_fd, int event, void *anything)
 #endif
 
   if (status < 0) {
+#ifdef HAVE_LINUX_TIMESTAMPING
+    /* If reading from the error queue failed, the exception should be
+       for a socket error.  Clear the error to avoid a busy loop. */
+    if (flags & MSG_ERRQUEUE) {
+      int error = 0;
+      socklen_t len = sizeof (error);
+
+      if (getsockopt(sock_fd, SOL_SOCKET, SO_ERROR, &error, &len))
+        DEBUG_LOG("Could not get SO_ERROR");
+      if (error)
+        errno = error;
+    }
+#endif
+
     DEBUG_LOG("Could not receive from fd %d : %s", sock_fd,
               strerror(errno));
     return;
diff --git a/sys_linux.c b/sys_linux.c
index 202e7c2..f4b532d 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -497,7 +497,7 @@ SYS_Linux_EnableSystemCallFilter(int level)
     SCMP_SYS(lseek), SCMP_SYS(rename), SCMP_SYS(stat), SCMP_SYS(stat64),
     SCMP_SYS(statfs), SCMP_SYS(statfs64), SCMP_SYS(unlink),
     /* Socket */
-    SCMP_SYS(bind), SCMP_SYS(connect), SCMP_SYS(getsockname),
+    SCMP_SYS(bind), SCMP_SYS(connect), SCMP_SYS(getsockname), SCMP_SYS(getsockopt),
     SCMP_SYS(recvfrom), SCMP_SYS(recvmmsg), SCMP_SYS(recvmsg),
     SCMP_SYS(sendmmsg), SCMP_SYS(sendmsg), SCMP_SYS(sendto),
     /* TODO: check socketcall arguments */