nm-applet requires libkeyring (or not, i think a useflag could turn off its requiring this) Reproducible: Always Steps to Reproduce: 1.eselect profile set 3 2.emerge -av nm-applet 3.PROFIT!!! emerge -av gnome-keyring resolves this... but has to be done by hand, not auto tracked by portage.
Which version of nm-applet? Please attach the nm-applet build log showing the problem. Also, please attach your "emerge --info" output.