### Summary

When I perform a reboot with Ubuntu 18.04 or 20.04 remote host and with verbosity set to connection debug (-vvvv) reboot fails after a long time (several hours, much more than reboot_timeout). If I set it to debug (-vvv) it works like expected.

Tested with a Centos 7 remote host and it is not concerned by this bug. 

This bug can be reproduced with devel branch but was discovered on 2.10 version

### Issue Type

Bug Report

### Component Name

reboot

### Ansible Version

```console
$ ansible --version
ansible 2.10.7
```


### Configuration

```console
$ ansible-config dump --only-changed
ANSIBLE_SSH_ARGS(ansible.cfg) = -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null
HOST_KEY_CHECKING(ansible.cfg) = False
```


### OS / Environment

Control Node: Ubuntu 20.04
Remote node: Ubuntu 20.04 and 18.04

### Steps to Reproduce

<!--- Paste example playbooks or commands between quotes below -->
```yaml (paste below)
- name: "Dumb playbook"
  hosts:
    - My-Remote-Host
  gather_facts: false
  tasks:
    - name: Reboot
      reboot:
      become: True
      become_method: sudo
```


### Expected Results

```
<X.X.X.X> SSH: EXEC sshpass -d12 ssh -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=22 -o 'User="host-user"' -o ConnectTimeout=10 -o ControlPath=~/.ansible/cp/02ec46349a -tt X.X.X.X '/bin/sh -c '"'"'sudo -H -S  -p "[sudo via ansible, key=tzyslkziuuaepfcbrlaamnnnwqdftlts] password:" -u root /bin/sh -c '"'"'"'"'"'"'"'"'echo BECOME-SUCCESS-tzyslkziuuaepfcbrlaamnnnwqdftlts ; cat /proc/sys/kernel/random/boot_id'"'"'"'"'"'"'"'"' && sleep 0'"'"''
Escalation succeeded
<X.X.X.X> (0, b'\r\n9eba9e53-7bd2-4178-8d58-65f090990e83\r\n', b"Warning: Permanently added 'X.X.X.X' (ECDSA) to the list of known hosts.\r\nShared connection to X.X.X.X closed.\r\n")
reboot: attempting post-reboot test command
<X.X.X.X> ESTABLISH SSH CONNECTION FOR USER: host-user
<X.X.X.X> SSH: EXEC sshpass -d12 ssh -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=22 -o 'User="host-user"' -o ConnectTimeout=10 -o ControlPath=~/.ansible/cp/02ec46349a -tt X.X.X.X '/bin/sh -c '"'"'sudo -H -S  -p "[sudo via ansible, key=mqdzbdqgyzzzqykxxumonzhvcptnfnqa] password:" -u root /bin/sh -c '"'"'"'"'"'"'"'"'echo BECOME-SUCCESS-mqdzbdqgyzzzqykxxumonzhvcptnfnqa ; whoami'"'"'"'"'"'"'"'"' && sleep 0'"'"''
Escalation succeeded
<X.X.X.X> (0, b'\r\nroot\r\n', b'Shared connection to X.X.X.X closed.\r\n')
reboot: system successfully rebooted
<X.X.X.X> ESTABLISH SSH CONNECTION FOR USER: host-user
<X.X.X.X> SSH: EXEC sshpass -d12 ssh -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=22 -o 'User="host-user"' -o ConnectTimeout=10 -o ControlPath=~/.ansible/cp/02ec46349a X.X.X.X '/bin/sh -c '"'"'rm -f -r /home/host-user/.ansible/tmp/ansible-tmp-1619445760.4098256-1763116-260472738004687/ > /dev/null 2>&1 && sleep 0'"'"''
<X.X.X.X> (0, b'', b'')
changed: [My-Remote-Host] => {
    "changed": true,
    "elapsed": 21,
    "rebooted": true
}
META: ran handlers
META: ran handlers
```

### Actual Results

```console
<X.X.X.X> SSH: EXEC sshpass -d10 ssh -vvv -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=22 -o 'User="host-user"' -o ConnectTimeout=10 -o ControlPath=~/.ansible/cp/02ec46349a -tt X.X.X.X '/bin/sh -c '"'"'sudo -H -S  -p "[sudo via ansible, key=ptpwkfkjmbkbufkguzcinvxkirsrvysf] password:" -u root /bin/sh -c '"'"'"'"'"'"'"'"'echo BECOME-SUCCESS-ptpwkfkjmbkbufkguzcinvxkirsrvysf ; cat /proc/sys/kernel/random/boot_id'"'"'"'"'"'"'"'"' && sleep 0'"'"''
<X.X.X.X> (255, b'', b'OpenSSH_8.2p1 Ubuntu-4ubuntu0.1, OpenSSL 1.1.1f  31 Mar 2020\r\ndebug1: Reading configuration data /etc/ssh/ssh_config\r\ndebug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files\r\ndebug1: /etc/ssh/ssh_config line 21: Applying options for *\r\ndebug2: resolve_canonicalize: hostname X.X.X.X is address\r\ndebug1: auto-mux: Trying existing master\r\ndebug1: Control socket "~/.ansible/cp/02ec46349a" does not exist\r\ndebug2: ssh_connect_direct\r\ndebug1: Connecting to X.X.X.X [X.X.X.X] port 22.\r\ndebug2: fd 3 setting O_NONBLOCK\r\ndebug1: connect to address X.X.X.X port 22: Connection refused\r\nssh: connect to host X.X.X.X port 22: Connection refused\r\n')
sending connection check: [b'sshpass', b'-d10', b'ssh', b'-vvv', b'-o', b'ControlMaster=auto', b'-o', b'ControlPersist=60s', b'-o', b'UserKnownHostsFile=/dev/null', b'-o', b'StrictHostKeyChecking=no', b'-o', b'Port=22', b'-o', b'User="host-user"', b'-o', b'ConnectTimeout=10', b'-o', b'ControlPath=~/.ansible/cp/02ec46349a', b'-O', b'check', b'X.X.X.X']
No connection to reset: OpenSSH_8.2p1 Ubuntu-4ubuntu0.1, OpenSSL 1.1.1f  31 Mar 2020
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files
debug1: /etc/ssh/ssh_config line 21: Applying options for *
debug2: resolve_canonicalize: hostname X.X.X.X is address
debug1: auto-mux: Trying existing master
Control socket connect(~/.ansible/cp/02ec46349a): No such file or directory
reboot: attempting to get system boot time
<X.X.X.X> ESTABLISH SSH CONNECTION FOR USER: host-user
<X.X.X.X> SSH: EXEC sshpass -d12 ssh -vvv -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=22 -o 'User="host-user"' -o ConnectTimeout=10 -o ControlPath=~/.ansible/cp/02ec46349a -tt X.X.X.X '/bin/sh -c '"'"'sudo -H -S  -p "[sudo via ansible, key=bpysdtsdgvijqvsmtxxbnykpmxgrhqho] password:" -u root /bin/sh -c '"'"'"'"'"'"'"'"'echo BECOME-SUCCESS-bpysdtsdgvijqvsmtxxbnykpmxgrhqho ; cat /proc/sys/kernel/random/boot_id'"'"'"'"'"'"'"'"' && sleep 0'"'"''
Escalation succeeded
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
use_tty = self.get_option('use_tty')
        if not in_data and sudoable and use_tty:
            args = ('-tt', self.host, cmd)
        else:
            args = (self.host, cmd)
        cmd = self._build_command(ssh_executable, 'ssh', *args)
        (returncode, stdout, stderr) = self._run(cmd, in_data, sudoable=sudoable)
        
        if getattr(self._shell, "_IS_WINDOWS", False) and stderr.startswith(b"#< CLIXML"):
            stderr = _parse_clixml(stderr)
        return (returncode, stdout, stderr)
    def put_file(self, in_path, out_path):
        ''' transfer a file from local to remote '''
        super(Connection, self).put_file(in_path, out_path)
        display.vvv(u"PUT {0} TO {1}".format(in_path, out_path), host=self.host)
        if not os.path.exists(to_bytes(in_path, errors='surrogate_or_strict')):
            raise AnsibleFileNotFound("file or module does not exist: {0}".format(to_native(in_path)))
        if getattr(self._shell, "_IS_WINDOWS", False):
            out_path = self._escape_win_path(out_path)
        return self._file_transport_command(in_path, out_path, 'put')
    def fetch_file(self, in_path, out_path):
        ''' fetch a file from remote to local '''
        super(Connection, self).fetch_file(in_path, out_path)
        display.vvv(u"FETCH {0} TO {1}".format(in_path, out_path), host=self.host)
        
        if getattr(self._shell, "_IS_WINDOWS", False):
            in_path = self._escape_win_path(in_path)
        return self._file_transport_command(in_path, out_path, 'get')
    def reset(self):