I Have the same exact lines.
Some of them are just messages (I think)
like closing down iddle link
terminating on signal 2
but the siocsifmtu thing.... I dont Know
You should be running 4.0.1 , (4.1 is a development release as we were told by e-smith people) 4.0.1 is working great for me and the upgrade process is really easy take a look to
http://www.e-smith.org/article.php3 there is an explanation for the upgrade procedure.
Alejandro