Resolves: rhbz#1445680 - Properly fall back to local Smartcard authentication
Resolves: rhbz#1437199 - sssd-nfs-idmap-1.15.2-1.fc25.x86_64 conflicts with
file from package sssd-common-1.15.1-1.fc25.x86_64
Resolves: rhbz#1063278 - sss_ssh_knownhostsproxy doesn't fall back to ipv4
(cherry picked from commit 9c949c17eb6a2e2d0bdae295752d7b397ee987a9)
(cherry picked from commit 206ba71f3b95745bc39492fdbe99d3b72fb4f150)