networkd: Add comment for setting_mtu #7460 (#7489)

Follow up #7460
2017-11-28 17:24:52 +01:00
parent 4de8d3f59e
commit fbdb6605b5
1 changed files with 3 additions and 0 deletions
@@ -3108,6 +3108,9 @@ static int link_carrier_lost(Link *link) {

        assert(link);

+        /* Some devices reset itself while setting the MTU. This causes the DHCP client fall into a loop.
+           setting_mtu keep track whether the device got reset because of setting MTU and does not drop the
+           configuration and stop the clients as well. */
        if (link->setting_mtu)
                return 0;