not sure what went wrong, but i installed these and then my networking was not working.
it appeared that it deleted /usr/share/udhcpc/default.script
(or is this only required in new version of udhcpc?)
anyways, i found a simple script which fixed it for me...
create /usr/share/udhcpc/default.script with:
did i do something wrong?
anyways, thxs for updated busybox