I am assuming that none of these are a problem, other than they occur anytime you do anything with SELinux, like get an update:
Updating : selinux-policy-targeted-3.13.1-192.el7_5.6.noarch 52/163 [ 864.238915] SELinux: Permission getrlimit in class process not defined in policy. [ 864.255572] SELinux: Permission map in class file not defined in policy. [ 864.271347] SELinux: Permission map in class dir not defined in policy. [ 864.287009] SELinux: Permission map in class lnk_file not defined in policy. [ 864.302952] SELinux: Permission map in class chr_file not defined in policy. [ 864.318679] SELinux: Permission map in class blk_file not defined in policy. [ 864.334072] SELinux: Permission map in class sock_file not defined in policy. [ 864.349585] SELinux: Permission map in class fifo_file not defined in policy. [ 864.364986] SELinux: Permission map in class socket not defined in policy. [ 864.380106] SELinux: Permission map in class tcp_socket not defined in policy. [ 864.395447] SELinux: Permission map in class udp_socket not defined in policy. [ 864.410657] SELinux: Permission map in class rawip_socket not defined in policy. [ 864.425984] SELinux: Permission map in class netlink_socket not defined in policy. [ 864.441531] SELinux: Permission map in class packet_socket not defined in policy. [ 864.457032] SELinux: Permission map in class key_socket not defined in policy. [ 864.472253] SELinux: Permission map in class unix_stream_socket not defined in policy. [ 864.488097] SELinux: Permission map in class unix_dgram_socket not defined in policy. [ 864.503933] SELinux: Permission map in class netlink_route_socket not defined in policy. [ 864.519918] SELinux: Permission map in class netlink_tcpdiag_socket not defined in policy. [ 864.536181] SELinux: Permission map in class netlink_nflog_socket not defined in policy. [ 864.552161] SELinux: Permission map in class netlink_xfrm_socket not defined in policy. [ 864.568076] SELinux: Permission map in class netlink_selinux_socket not defined in policy. [ 864.584204] SELinux: Permission map in class netlink_iscsi_socket not defined in policy. [ 864.600178] SELinux: Permission map in class netlink_audit_socket not defined in policy. [ 864.616037] SELinux: Permission map in class netlink_fib_lookup_socket not defined in policy. [ 864.632237] SELinux: Permission map in class netlink_connector_socket not defined in policy. [ 864.648096] SELinux: Permission map in class netlink_netfilter_socket not defined in policy. [ 864.663754] SELinux: Permission map in class netlink_dnrt_socket not defined in policy. [ 864.678752] SELinux: Permission map in class netlink_kobject_uevent_socket not defined in policy. [ 864.694514] SELinux: Permission map in class netlink_generic_socket not defined in policy. [ 864.709433] SELinux: Permission map in class netlink_scsitransport_socket not defined in policy. [ 864.724784] SELinux: Permission map in class netlink_rdma_socket not defined in policy. [ 864.739110] SELinux: Permission map in class netlink_crypto_socket not defined in policy. [ 864.753607] SELinux: Permission map in class appletalk_socket not defined in policy. [ 864.767591] SELinux: Permission map in class dccp_socket not defined in policy. [ 864.781189] SELinux: Permission map in class tun_socket not defined in policy. [ 864.794607] SELinux: Class sctp_socket not defined in policy. [ 864.806570] SELinux: Class icmp_socket not defined in policy. [ 864.818225] SELinux: Class ax25_socket not defined in policy. [ 864.829649] SELinux: Class ipx_socket not defined in policy. [ 864.840752] SELinux: Class netrom_socket not defined in policy. [ 864.851923] SELinux: Class atmpvc_socket not defined in policy. [ 864.862911] SELinux: Class x25_socket not defined in policy. [ 864.873393] SELinux: Class rose_socket not defined in policy. [ 864.883767] SELinux: Class decnet_socket not defined in policy. [ 864.894133] SELinux: Class atmsvc_socket not defined in policy. [ 864.904385] SELinux: Class rds_socket not defined in policy. [ 864.914444] SELinux: Class irda_socket not defined in policy. [ 864.924608] SELinux: Class pppox_socket not defined in policy. [ 864.934862] SELinux: Class llc_socket not defined in policy. [ 864.944876] SELinux: Class can_socket not defined in policy. [ 864.954877] SELinux: Class tipc_socket not defined in policy. [ 864.964974] SELinux: Class bluetooth_socket not defined in policy. [ 864.975659] SELinux: Class iucv_socket not defined in policy. [ 864.985843] SELinux: Class rxrpc_socket not defined in policy. [ 864.996237] SELinux: Class isdn_socket not defined in policy. [ 865.006492] SELinux: Class phonet_socket not defined in policy. [ 865.017007] SELinux: Class ieee802154_socket not defined in policy. [ 865.027974] SELinux: Class caif_socket not defined in policy. [ 865.038332] SELinux: Class alg_socket not defined in policy. [ 865.048641] SELinux: Class nfc_socket not defined in policy. [ 865.058824] SELinux: Class vsock_socket not defined in policy. [ 865.069225] SELinux: Class kcm_socket not defined in policy. [ 865.079405] SELinux: Class qipcrtr_socket not defined in policy. [ 865.090009] SELinux: Class smc_socket not defined in policy. [ 865.100225] SELinux: the above unknown classes and permissions will be allowed [ 870.760142] SELinux: Context unconfined_u:unconfined_r:sandbox_t:s0-s0:c0.c1023 became invalid (unmapped). [ 871.187593] SELinux: Context system_u:unconfined_r:sandbox_t:s0-s0:c0.c1023 became invalid (unmapped). [ 872.635092] SELinux: policy capability network_peer_controls=1 [ 872.645801] SELinux: policy capability open_perms=1 [ 872.655404] SELinux: policy capability extended_socket_class=0 [ 872.666023] SELinux: policy capability always_check_network=0 [ 872.676507] SELinux: policy capability cgroup_seclabel=1 [ 872.686511] SELinux: policy capability nnp_nosuid_transition=1
that is quite an extensive list...