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Bringing machine 'cent1' up with 'virtualbox' provider...

Bringing machine 'cent2' up with 'virtualbox' provider...

Bringing machine 'cent3' up with 'virtualbox' provider...

==> cent1: Preparing master VM for linked clones...

    cent1: This is a one time operation. Once the master VM is prepared,

    cent1: it will be used as a base for linked clones, making the creation

    cent1: of new VMs take milliseconds on a modern system.

==> cent1: Importing base box 'centos/8'...

==> cent1: Cloning VM...

==> cent1: Matching MAC address for NAT networking...

==> cent1: Checking if box 'centos/8' version '2011.0' is up to date...

==> cent1: Setting the name of the VM: cent1

==> cent1: Clearing any previously set network interfaces...

==> cent1: Preparing network interfaces based on configuration...

    cent1: Adapter 1: nat

    cent1: Adapter 2: hostonly

    cent1: Adapter 3: hostonly

==> cent1: Forwarding ports...

    cent1: 22 (guest) => 2222 (host) (adapter 1)

==> cent1: Running 'pre-boot' VM customizations...

==> cent1: Booting VM...

==> cent1: Waiting for machine to boot. This may take a few minutes...

    cent1: SSH address: 127.0.0.1:2222

    cent1: SSH username: vagrant

    cent1: SSH auth method: private key

    cent1:

    cent1: Vagrant insecure key detected. Vagrant will automatically replace

    cent1: this with a newly generated keypair for better security.

    cent1:

    cent1: Inserting generated public key within guest...

    cent1: Removing insecure key from the guest if it's present...

    cent1: Key inserted! Disconnecting and reconnecting using new SSH key...

==> cent1: Machine booted and ready!

[cent1] No Virtualbox Guest Additions installation found.

Last metadata expiration check: 0:00:03 ago on Tue 19 Oct 2021 05:22:10 AM UTC.

Package centos-linux-release-8.3-1.2011.el8.noarch is already installed.

Dependencies resolved.

================================================================================

 Package                   Arch        Version                Repository   Size

================================================================================

Upgrading:

 centos-linux-release      noarch      8.4-1.2105.el8         baseos       22 k

Transaction Summary

================================================================================

Upgrade  1 Package

Total download size: 22 k

Downloading Packages:

centos-linux-release-8.4-1.2105.el8.noarch.rpm  198 kB/s |  22 kB     00:00

--------------------------------------------------------------------------------

Total                                            22 kB/s |  22 kB     00:00

warning: /var/cache/dnf/baseos-31c79d9833c65cf7/packages/centos-linux-release-8.4-1.2105.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY

CentOS Linux 8 - BaseOS                         1.6 MB/s | 1.6 kB     00:00

Importing GPG key 0x8483C65D:

 Userid     : "CentOS (CentOS Official Signing Key) <security@centos.org>"

 Fingerprint: 99DB 70FA E1D7 CE22 7FB6 4882 05B5 55B3 8483 C65D

 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial

Key imported successfully

Running transaction check

Transaction check succeeded.

Running transaction test

Transaction test succeeded.

Running transaction

  Preparing        :                                                        1/1

  Running scriptlet: centos-linux-release-8.4-1.2105.el8.noarch             1/1

  Upgrading        : centos-linux-release-8.4-1.2105.el8.noarch             1/2

  Cleanup          : centos-linux-release-8.3-1.2011.el8.noarch             2/2

  Running scriptlet: centos-linux-release-8.3-1.2011.el8.noarch             2/2

  Verifying        : centos-linux-release-8.4-1.2105.el8.noarch             1/2

  Verifying        : centos-linux-release-8.3-1.2011.el8.noarch             2/2

Upgraded:

  centos-linux-release-8.4-1.2105.el8.noarch

Complete!

Last metadata expiration check: 0:00:07 ago on Tue 19 Oct 2021 05:22:10 AM UTC.

No match for argument: kernel-devel-4.18.0-240.1.1.el8_3.x86_64

Error: Unable to find a match: kernel-devel-4.18.0-240.1.1.el8_3.x86_64

Unmounting Virtualbox Guest Additions ISO from: /mnt

umount: /mnt: not mounted.

==> cent1: Checking for guest additions in VM...

    cent1: No guest additions were detected on the base box for this VM! Guest

    cent1: additions are required for forwarded ports, shared folders, host only

    cent1: networking, and more. If SSH fails on this machine, please install

    cent1: the guest additions and repackage the box to continue.

    cent1:

    cent1: This is not an error message; everything may continue to work properly,

    cent1: in which case you may ignore this message.

The following SSH command responded with a non-zero exit status.

Vagrant assumes that this means the command failed!

umount /mnt