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wgengine/monitor: don't log unhandled RTM_{NEW,DEL}LINK messages

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These aren't handled, but it's not an error to get one.

Fixes 

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I1fcb9032ac36420aa72a048bf26f58360b9461f9
This commit is contained in:
Andrew Dunham 2022-12-21 11:56:14 -05:00
parent be10b529ec
commit 1011e64ad7
1 changed files with 4 additions and 0 deletions

4
wgengine/monitor/monitor_linux.go

@ -228,6 +228,10 @@ func (c *nlConn) Receive() (message, error) {
c.logf("%+v", rdm) c.logf("%+v", rdm)
} }
return rdm, nil return rdm, nil
case unix.RTM_NEWLINK, unix.RTM_DELLINK:
// This is an unhandled message, but don't print an error.
// See https://github.com/tailscale/tailscale/issues/6806
return unspecifiedMessage{}, nil
default: default:
c.logf("unhandled netlink msg type %+v, %q", msg.Header, msg.Data) c.logf("unhandled netlink msg type %+v, %q", msg.Header, msg.Data)
return unspecifiedMessage{}, nil return unspecifiedMessage{}, nil