These are the packages that would be merged, in reverse order:

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[ebuild     U  ] net-wireless/wpa_supplicant-2.0-r2 [0.7.3-r5] USE="readline ssl -ap% -dbus -eap-sim -fasteap -gnutls -p2p% (-ps3) -qt4 (-selinux) -smartcard% -wimax -wps (-debug%) (-madwifi%)" 1,997 kB
[ebuild  N     ]  net-wireless/crda-1.1.2-r3  22 kB
[nomerge       ] net-wireless/crda-1.1.2-r3 
[nomerge       ]  virtual/udev-200  USE="keymap kmod -gudev -hwdb -introspection (-selinux) -static-libs" 
[nomerge       ]   sys-apps/systemd-204-r1  USE="firmware-loader keymap kmod pam tcpd -acl -audit -cryptsetup -doc -gcrypt -gudev -http -introspection -lzma -openrc -policykit -python -qrcode (-selinux) -static-libs {-test} -vanilla -xattr" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" 
[ebuild   R    ]    sys-apps/hwids-20130329  USE="udev*" 0 kB
[ebuild  N    #]     virtual/udev-200  USE="keymap kmod -gudev -hwdb -introspection (-selinux) -static-libs" 0 kB
[ebuild  N     ]    sys-apps/gentoo-systemd-integration-1  51 kB
[ebuild  N     ]     sys-apps/systemd-204-r1  USE="firmware-loader keymap kmod pam tcpd -acl -audit -cryptsetup -doc -gcrypt -gudev -http -introspection -lzma -openrc -policykit -python -qrcode (-selinux) -static-libs {-test} -vanilla -xattr" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" 2,136 kB
[ebuild  NS    ]      app-text/docbook-xml-dtd-4.2-r2:4.2 [4.5-r1:4.5] 0 kB
[ebuild  N     ]  dev-python/m2crypto-0.21.1-r1  USE="-doc -examples" PYTHON_TARGETS="python2_7 -python2_6" 404 kB
[ebuild  N     ]   dev-lang/swig-2.0.9  USE="pcre -ccache -doc" 0 kB
[ebuild  N     ]  net-wireless/wireless-regdb-20130213  13 kB

Total: 10 packages (1 upgrade, 7 new, 1 in new slot, 1 reinstall), Size of downloads: 4,620 kB