Found during automated testing of Fedora Rawhide Atomic Host 

# rpm-ostree status
State: idle; auto updates disabled
Deployments:
● ostree://custom:fedora/rawhide/x86_64/atomic-host
                   Version: Rawhide.20180625.n.0 (2018-06-25 09:23:57)
                    Commit: 27425faed3d1ae65e883eca95a4c9d05ae6ec6f2530b66ea865c2c117c618f4a

# rpm -q selinux-policy
selinux-policy-3.14.2-25.fc29.noarch

# journalctl -b | grep 'avc:  denied'
Jun 26 18:45:36 micah-f28ah-vm0626b audit[708]: USER_AVC pid=708 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.systemd1.Manager member=GetDynamicUsers dest=org.freedesktop.systemd1 spid=1126 tpid=1 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:init_t:s0 tclass=dbus permissive=0
Jun 26 18:45:37 micah-f28ah-vm0626b audit[708]: USER_AVC pid=708 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.systemd1.Manager member=GetDynamicUsers dest=org.freedesktop.systemd1 spid=1137 tpid=1 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:init_t:s0 tclass=dbus permissive=0


Aside from the denial message, the system appears usable.