localhost ~ # emerge -av openssl openssh

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

Calculating dependencies... done!
[ebuild   R    ] dev-libs/openssl-1.0.2j::gentoo  USE="asm sslv3 tls-heartbeat zlib -bindist* -gmp -kerberos -rfc3779 -sctp -sslv2 -static-libs {-test} -vanilla" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="(sse2)" 5 184 KiB
[ebuild   R    ] net-misc/openssh-7.3_p1-r6::gentoo  USE="X hpn ldap pam pie ssl -X509 -bindist* -debug -kerberos -ldns -libedit (-libressl) -livecd -sctp (-selinux) -skey -ssh1 -static {-test}" 0 KiB

Total: 2 packages (2 reinstalls), Size of downloads: 5 184 KiB

!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

dev-libs/openssl:0

  (dev-libs/openssl-1.0.2j:0/0::gentoo, ebuild scheduled for merge) pulled in by
    dev-libs/openssl (Argument)
    >=dev-libs/openssl-0.9.8f:0[bindist=] required by (net-misc/openssh-7.3_p1-r6:0/0::gentoo, ebuild scheduled for merge)
                                ^^^^^^^^

  (dev-libs/openssl-1.0.2j:0/0::gentoo, installed) pulled in by
    dev-libs/openssl:0[bindist=] required by (dev-qt/qtnetwork-5.6.1:5/5.6::gentoo, installed)
                       ^^^^^^^^


It might be possible to solve this slot collision
by applying all of the following changes:
   - dev-libs/openssl-1.0.2j (Change USE: +bindist)
   - net-misc/openssh-7.3_p1-r6 (Change USE: +bindist)