vagrant ssh key selinux issue

gistfile1.txt

$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Importing base box 'centos/7'...
==> default: Matching MAC address for NAT networking...
==> default: Checking if box 'centos/7' version '1902.01' is up to date...
==> default: Setting the name of the VM: centos7_default_1557494786617_24865
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
==> default: Forwarding ports...
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: 
    default: Vagrant insecure key detected. Vagrant will automatically replace
    default: this with a newly generated keypair for better security.
    default: 
    default: Inserting generated public key within guest...
    default: Removing insecure key from the guest if it's present...
    default: Key inserted! Disconnecting and reconnecting using new SSH key...
==> default: Machine booted and ready!
==> default: Checking for guest additions in VM...
    default: No guest additions were detected on the base box for this VM! Guest
    default: additions are required for forwarded ports, shared folders, host only
    default: networking, and more. If SSH fails on this machine, please install
    default: the guest additions and repackage the box to continue.
    default: 
    default: This is not an error message; everything may continue to work properly,
    default: in which case you may ignore this message.
==> default: Rsyncing folder: /home/me/centos7/ => /vagrant
There was an error when attempting to rsync a synced folder.
Please inspect the error message below for more info.

Host path: /home/me/centos7/
Guest path: /vagrant
Command: "rsync" "--verbose" "--archive" "--delete" "-z" "--copy-links" "--no-owner" "--no-group" "--rsync-path" "sudo rsync" "-e" "ssh -p 2222 -o LogLevel=FATAL   -o ControlMaster=auto -o ControlPath=/tmp/vagrant-rsync-20190510-5578-8m3d3a -o ControlPersist=10m  -o IdentitiesOnly=yes -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i '/home/me/centos7/.vagrant/machines/default/virtualbox/private_key'" "--exclude" ".vagrant/" "/home/me/centos7/" "vagrant@127.0.0.1:/vagrant"
Error: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.2]

$ vagrant ssh-config
Host default
  HostName 127.0.0.1
  User vagrant
  Port 2222
  UserKnownHostsFile /dev/null
  StrictHostKeyChecking no
  PasswordAuthentication no
  IdentityFile /home/me/centos7/.vagrant/machines/default/virtualbox/private_key
  IdentitiesOnly yes
  LogLevel FATAL

$ vagrant ssh
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

$ ls -lZ /home/me/centos7/.vagrant/machines/default/virtualbox/private_key
-rw-------. me me staff_u:object_r:user_home_t:s0  /home/me/centos7/.vagrant/machines/default/virtualbox/private_key

$ sudo grep ssh /var/log/audit/audit.log | grep denied
type=AVC msg=audit(1557495908.874:297528): avc:  denied  { open } for  pid=24133 comm="ssh" path="/home/me/centos7/.vagrant/machines/default/virtualbox/private_key" dev="dm-6" ino=2214666941 scontext=staff_u:staff_r:ssh_t:s0-s0:c0.c1023 tcontext=staff_u:object_r:user_home_t:s0 tclass=file permissive=1