This is already on the list, if you can tell me how to get the IP, and will test it (I don't have ipv6), then I can get it added in the next release.
Made a note of it on the TODO page. You'll be able to tell if ASUI crashes because the battery graph history will be cleared, it rarely happens though, for me at least.
DSME: process '/usr/bin/advanced-systemui' with pid 25795 exited with signal: 6
DSME: process '/usr/bin/advanced-systemui' exited and restarted with pid 25799
DSME: '/usr/bin/advanced-systemui' spawning too fast, stop trying
hildon-desktop: GLIB WARNING ** default - Application ASUI Settings did not provide valid .desktop file