T8923: normalize "can not" to "cannot"

Replace two-word "can not" / "Can not" with "cannot" across comments,
ConfigError messages, CLI help text, and op-mode output.

Standard SNMP MIB files under mibs/ are left unchanged.

16 files changed, 32 insertions, 32 deletions

diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py
index 0603b42b8..b501f5276 100644
--- a/python/vyos/configdict.py
+++ b/python/vyos/configdict.py
@@ -340,7 +340,7 @@ def is_source_interface(conf, interface, intftype=None):
         raise ValueError(f'Interface type "{type(intftype)}" must be either str or list!')
 
     if not all(x in intftypes for x in intftype):
-        raise ValueError(f'unknown interface type "{intftype}" or it can not '
+        raise ValueError(f'unknown interface type "{intftype}" or it cannot '
             'have a source-interface')
 
     for it in intftype:
diff --git a/python/vyos/configverify.py b/python/vyos/configverify.py
index 00cde7cdf..bb17c152c 100644
--- a/python/vyos/configverify.py
+++ b/python/vyos/configverify.py
@@ -128,9 +128,9 @@ def verify_bond_bridge_member(config):
     if 'vrf' in config:
         ifname = config['ifname']
         if 'is_bond_member' in config:
-            raise ConfigError(f'Can not add interface "{ifname}" to bond, it has a VRF assigned!')
+            raise ConfigError(f'Cannot add interface "{ifname}" to bond, it has a VRF assigned!')
         if 'is_bridge_member' in config:
-            raise ConfigError(f'Can not add interface "{ifname}" to bridge, it has a VRF assigned!')
+            raise ConfigError(f'Cannot add interface "{ifname}" to bridge, it has a VRF assigned!')
 
 def verify_tunnel(config):
     """
@@ -167,11 +167,11 @@ def verify_tunnel(config):
     if config['encapsulation'] in ['sit', 'gretap', 'ip6gretap']:
         if 'source_interface' in config:
             encapsulation = config['encapsulation']
-            raise ConfigError(f'Option source-interface can not be used with ' \
+            raise ConfigError(f'Option source-interface cannot be used with ' \
                               f'encapsulation "{encapsulation}"!')
     elif config['encapsulation'] == 'gre':
         if 'source_address' in config and is_ipv6(config['source_address']):
-            raise ConfigError('Can not use local IPv6 address is for mGRE tunnels')
+            raise ConfigError('Cannot use local IPv6 address is for mGRE tunnels')
 
 def verify_mirror_redirect(config):
     """
@@ -181,12 +181,12 @@ def verify_mirror_redirect(config):
     It makes no sense to mirror traffic back at yourself!
     """
     if 'mirror' in config and 'redirect' in config:
-        raise ConfigError('Mirror and redirect can not be enabled at the same time!')
+        raise ConfigError('Mirror and redirect cannot be enabled at the same time!')
 
     if 'mirror' in config and 'qos' in config:
         # XXX: support combination of limiting and mirror - this is an artificial
         # limitation from the past
-        raise ConfigError('Can not use QoS together with mirror!')
+        raise ConfigError('Cannot use QoS together with mirror!')
 
     if 'mirror' in config:
         for direction, mirror_interface in config['mirror'].items():
@@ -195,7 +195,7 @@ def verify_mirror_redirect(config):
                                    'does not exist!')
 
             if mirror_interface == config['ifname']:
-                raise ConfigError(f'Can not mirror "{direction}" traffic back '\
+                raise ConfigError(f'Cannot mirror "{direction}" traffic back '\
                                    'the originating interface!')
 
     if 'redirect' in config:
@@ -322,7 +322,7 @@ def verify_source_interface(config):
     # We do not allow sourcing other interfaces (e.g. tunnel) from dynamic interfaces
     tmp = re.compile(dynamic_interface_pattern)
     if tmp.match(src_ifname):
-        raise ConfigError(f'Can not source "{ifname}" from dynamic interface "{src_ifname}"!')
+        raise ConfigError(f'Cannot source "{ifname}" from dynamic interface "{src_ifname}"!')
 
     if not interface_exists(src_ifname):
         raise ConfigError(f'Specified source-interface {src_ifname} does not exist')
@@ -339,7 +339,7 @@ def verify_source_interface(config):
 
     if 'is_source_interface' in config:
         tmp = config['is_source_interface']
-        raise ConfigError(f'Can not use source-interface "{src_ifname}", it already ' \
+        raise ConfigError(f'Cannot use source-interface "{src_ifname}", it already ' \
                           f'belongs to interface "{tmp}"!')
 
 def verify_dhcpv6(config):
diff --git a/python/vyos/flavor.py b/python/vyos/flavor.py
index a9dccf448..05e72be82 100644
--- a/python/vyos/flavor.py
+++ b/python/vyos/flavor.py
@@ -42,7 +42,7 @@ def get_flavor_data(fname=flavor_file):
         file (str): path to the flavor file
 
     Returns:
-        dict: flavor data, if it can not be found and empty dict
+        dict: flavor data, if it cannot be found and empty dict
 
     The optional ``file`` argument comes in handy in upgrade scripts
     that need to retrieve information from images other than the running image.
diff --git a/python/vyos/frrender.py b/python/vyos/frrender.py
index 27b8b8568..7c9a72c50 100644
--- a/python/vyos/frrender.py
+++ b/python/vyos/frrender.py
@@ -778,7 +778,7 @@ class FRRender:
             return output
 
         debug('FRR:        START CONFIGURATION RENDERING')
-        # we can not reload an empty file, thus we always embed the marker
+        # we cannot reload an empty file, thus we always embed the marker
         output = '!\n'
 
         # FRR profile configuration
diff --git a/python/vyos/ifconfig/bond.py b/python/vyos/ifconfig/bond.py
index ace84c6f2..5171f12ab 100644
--- a/python/vyos/ifconfig/bond.py
+++ b/python/vyos/ifconfig/bond.py
@@ -257,7 +257,7 @@ class BondIf(Interface):
         """
         # As this function might also be called from update() of a VLAN interface
         # we must check if the bond_arp_ip_target retrieval worked or not - as this
-        # can not be set for a bond vif interface
+        # cannot be set for a bond vif interface
         try:
             return self.get_interface('bond_arp_ip_target')
         except FileNotFoundError:
@@ -434,7 +434,7 @@ class BondIf(Interface):
         # Some interface options can only be changed if the interface is
         # administratively down
         #
-        # We can not move the upper "shutdown_required" code path here - as this
+        # We cannot move the upper "shutdown_required" code path here - as this
         # would break initial bond creation and initial mode assignment during
         # interface creation!
         if self.get_admin_state() == 'down':
diff --git a/python/vyos/ifconfig/bridge.py b/python/vyos/ifconfig/bridge.py
index 5f184f221..f1cc7c0e0 100644
--- a/python/vyos/ifconfig/bridge.py
+++ b/python/vyos/ifconfig/bridge.py
@@ -361,7 +361,7 @@ class BridgeIf(Interface):
                 self.add_port(interface)
 
                 if not interface.startswith('wlan'):
-                    # always set private-vlan/port isolation - this can not be
+                    # always set private-vlan/port isolation - this cannot be
                     # done when lower link is a wifi link, as it will trigger:
                     # RTNETLINK answers: Operation not supported
                     tmp = dict_search('isolated', interface_config)
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index 9cb76ee05..9d6b38fa9 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -355,7 +355,7 @@ class Interface(Control):
             # In case a subclass does not define it, we use get to set the default to True
             if self.config.get('create', True):
                 self._create()
-            # If we can not connect to the interface then let the caller know
+            # If we cannot connect to the interface then let the caller know
             # as the class could not be correctly initialised
             else:
                 raise Exception(f'interface "{ifname}" not found!')
@@ -394,7 +394,7 @@ class Interface(Control):
 
         # remove all assigned IP addresses from interface - this is a bit redundant
         # as the kernel will remove all addresses on interface deletion, but we
-        # can not delete ALL interfaces, see below.
+        # cannot delete ALL interfaces, see below.
         #
         # This will internally stop DHCP(v6) if running
         self.flush_addrs()
@@ -1592,7 +1592,7 @@ class Interface(Control):
 
         config_base = directories['dhcp6_client_dir']
         config_file = f'{config_base}/dhcp6c.{self.ifname}.conf'
-        script_file = f'/etc/wide-dhcpv6/dhcp6c.{self.ifname}.script' # can not live under /run b/c of noexec mount option
+        script_file = f'/etc/wide-dhcpv6/dhcp6c.{self.ifname}.script' # cannot live under /run b/c of noexec mount option
         systemd_override_file = f'/run/systemd/system/dhcp6c@{self.ifname}.service.d/10-override.conf'
         systemd_service = f'dhcp6c@{self.ifname}.service'
 
@@ -2159,7 +2159,7 @@ class VLANIf(Interface):
         lower_interface = glob(f'/sys/class/net/{self.ifname}/lower*/flags')[0]
         with open(lower_interface, 'r') as f:
             flags = f.read()
-        # If parent is not up - bail out as we can not bring up the VLAN.
+        # If parent is not up - bail out as we cannot bring up the VLAN.
         # Flags are defined in kernel source include/uapi/linux/if.h
         if not int(flags, 16) & 1:
             return None
diff --git a/python/vyos/ifconfig/loopback.py b/python/vyos/ifconfig/loopback.py
index e2cf69a15..ef4b0033a 100644
--- a/python/vyos/ifconfig/loopback.py
+++ b/python/vyos/ifconfig/loopback.py
@@ -33,12 +33,12 @@ class LoopbackIf(Interface):
     }
 
     def _create(self):
-        # we can not create this interface as it is managed by the Kernel
+        # we cannot create this interface as it is managed by the Kernel
         pass
 
     def remove(self):
         """
-        Loopback interface can not be deleted from operating system. We can
+        Loopback interface cannot be deleted from operating system. We can
         only remove all assigned IP addresses.
 
         Example:
diff --git a/python/vyos/ifconfig/pppoe.py b/python/vyos/ifconfig/pppoe.py
index 7c4a6dfbb..0f0640159 100644
--- a/python/vyos/ifconfig/pppoe.py
+++ b/python/vyos/ifconfig/pppoe.py
@@ -71,15 +71,15 @@ class PPPoEIf(Interface):
         super().remove()
 
     def _create(self):
-        # we can not create this interface as it is managed outside
+        # we cannot create this interface as it is managed outside
         pass
 
     def _delete(self):
-        # we can not create this interface as it is managed outside
+        # we cannot create this interface as it is managed outside
         pass
 
     def del_addr(self, addr):
-        # we can not create this interface as it is managed outside
+        # we cannot create this interface as it is managed outside
         pass
 
     def get_mac(self):
diff --git a/python/vyos/ifconfig/section.py b/python/vyos/ifconfig/section.py
index c3f803c76..63bbf84ee 100644
--- a/python/vyos/ifconfig/section.py
+++ b/python/vyos/ifconfig/section.py
@@ -130,7 +130,7 @@ class Section:
                 value *= 100
                 value += (ord(n) - ord('a'))
             value += number
-            # vlan are 16 bits, so this can not overflow
+            # vlan are 16 bits, so this cannot overflow
             value = (value << 16) + vlan
             value = (value << 16) + qinq
             return value
diff --git a/python/vyos/ifconfig/sstpc.py b/python/vyos/ifconfig/sstpc.py
index e43a2f177..a84a44265 100644
--- a/python/vyos/ifconfig/sstpc.py
+++ b/python/vyos/ifconfig/sstpc.py
@@ -27,11 +27,11 @@ class SSTPCIf(Interface):
     }
 
     def _create(self):
-        # we can not create this interface as it is managed outside
+        # we cannot create this interface as it is managed outside
         pass
 
     def _delete(self):
-        # we can not create this interface as it is managed outside
+        # we cannot create this interface as it is managed outside
         pass
 
     def get_mac(self):
diff --git a/python/vyos/ifconfig/vxlan.py b/python/vyos/ifconfig/vxlan.py
index 974a53566..a72cb6201 100644
--- a/python/vyos/ifconfig/vxlan.py
+++ b/python/vyos/ifconfig/vxlan.py
@@ -181,7 +181,7 @@ class VXLANIf(Interface):
 
                 vni = vlan_config['vni']
                 # The following commands must be run one after another,
-                # they can not be combined with linux 6.1 and iproute2 6.1
+                # they cannot be combined with linux 6.1 and iproute2 6.1
                 self._cmd(f'bridge vlan add dev {self.ifname} vid {vlan}')
                 self._cmd(f'bridge vlan add dev {self.ifname} vid {vlan} tunnel_info id {vni}')
 
diff --git a/python/vyos/ifconfig/wireless.py b/python/vyos/ifconfig/wireless.py
index 1026fcd57..cafd7d0b4 100644
--- a/python/vyos/ifconfig/wireless.py
+++ b/python/vyos/ifconfig/wireless.py
@@ -47,7 +47,7 @@ class WiFiIf(Interface):
         interface setup code and provide a single point of entry when working
         on any interface. """
 
-        # We can not call add_to_bridge() until wpa_supplicant is running, thus
+        # We cannot call add_to_bridge() until wpa_supplicant is running, thus
         # we will remove the key from the config dict and react to this special
         # case in this derived class.
         # re-add ourselves to any bridge we might have fallen out of
diff --git a/python/vyos/ifconfig/wwan.py b/python/vyos/ifconfig/wwan.py
index ffd3d0a67..83a92639f 100644
--- a/python/vyos/ifconfig/wwan.py
+++ b/python/vyos/ifconfig/wwan.py
@@ -27,7 +27,7 @@ class WWANIf(Interface):
     }
 
     def _create(self):
-        # we can not create this interface as it is managed by the Kernel
+        # we cannot create this interface as it is managed by the Kernel
         pass
 
     def remove(self):
diff --git a/python/vyos/qos/base.py b/python/vyos/qos/base.py
index 487249714..f77a6e020 100644
--- a/python/vyos/qos/base.py
+++ b/python/vyos/qos/base.py
@@ -199,7 +199,7 @@ class QoSBase:
             speed = 1000
             default_speed = speed
             # Not all interfaces have valid entries in the speed file. PPPoE
-            # interfaces have the appropriate speed file, but you can not read it:
+            # interfaces have the appropriate speed file, but you cannot read it:
             # cat: /sys/class/net/pppoe7/speed: Invalid argument
             try:
                 speed = read_file(f'/sys/class/net/{self._interface}/speed')
diff --git a/python/vyos/version.py b/python/vyos/version.py
index d62778c4b..4ba44f166 100644
--- a/python/vyos/version.py
+++ b/python/vyos/version.py
@@ -51,7 +51,7 @@ def get_version_data(fname=version_file):
         file (str): path to the version file
 
     Returns:
-        dict: version data, if it can not be found and empty dict
+        dict: version data, if it cannot be found and empty dict
 
     The optional ``file`` argument comes in handy in upgrade scripts
     that need to retrieve information from images other than the running image.