Re: [PATCH] net/ipv6: lower the level of "link is not ready" messages

From: Thomas Haller
Date: Mon Jan 21 2019 - 10:52:13 EST


On Mon, 2019-01-21 at 14:54 +0100, Lubomir Rintel wrote:
> This message gets logged far too often for how interesting is it.
>
> Most distributions nowadays configure NetworkManager to use randomly
> generated MAC addresses for Wi-Fi network scans. The interfaces end
> up
> being periodically brought down for the address change. When they're
> subsequently brought back up, the message is logged, eventually
> flooding
> the log.
>
> Perhaps the message is not all that helpful: it seems to be more
> interesting to hear when the addrconf actually start, not when it
> does
> not. Let's lower its level.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>


Hi,

a NetworkManager maintainer here.

Acked-By: Thomas Haller <thaller@xxxxxxxxxx>


> ---
> net/ipv6/addrconf.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
> index 93d5ad2b1a69..ba155841dc15 100644
> --- a/net/ipv6/addrconf.c
> +++ b/net/ipv6/addrconf.c
> @@ -3495,8 +3495,8 @@ static int addrconf_notify(struct
> notifier_block *this, unsigned long event,
>
> if (!addrconf_link_ready(dev)) {
> /* device is not ready yet. */
> - pr_info("ADDRCONF(NETDEV_UP): %s: link
> is not ready\n",
> - dev->name);
> + pr_debug("ADDRCONF(NETDEV_UP): %s: link
> is not ready\n",
> + dev->name);
> break;
> }