Dump all jail related kernel states (sysctl)

    CLI Example:

    .. code-block:: bash

        salt '*' jail.sysctl

def sysctl():
    '''
    Dump all jail related kernel states (sysctl)

    CLI Example:

    .. code-block:: bash

        salt '*' jail.sysctl
    '''
    ret = {}
    sysctl_jail = __salt__['cmd.run']('sysctl security.jail')
    for line in sysctl_jail.splitlines():
        key, value = line.split(':', 1)
        ret[key.strip()] = value.strip()
    return ret