Upgrade calico and set the default veth_mtu to 0

Signed-off-by: pixiake <guofeng@yunify.com>

apis/kubekey/v1alpha2/default.go

@@ -46,7 +46,7 @@ const (
 	DefaultRuncVersion          = "v1.1.1"
 	DefaultCrictlVersion        = "v1.24.0"
 	DefaultKubeVersion          = "v1.23.7"
-	DefaultCalicoVersion        = "v3.20.0"
+	DefaultCalicoVersion        = "v3.23.2"
 	DefaultFlannelVersion       = "v0.12.0"
 	DefaultCniVersion           = "v0.9.1"
 	DefaultCiliumVersion        = "v1.8.3"
@@ -60,7 +60,7 @@ const (
 	DefaultNodeCidrMaskSize     = 24
 	DefaultIPIPMode             = "Always"
 	DefaultVXLANMode            = "Never"
-	DefaultVethMTU              = 1440
+	DefaultVethMTU              = 0
 	DefaultBackendMode          = "vxlan"
 	DefaultProxyMode            = "ipvs"
 	DefaultCrioEndpoint         = "unix:///var/run/crio/crio.sock"

docs/config-example.md

@@ -63,7 +63,7 @@ spec:
     calico:
       ipipMode: Always  # IPIP Mode to use for the IPv4 POOL created at start up. If set to a value other than Never, vxlanMode should be set to "Never". [Always | CrossSubnet | Never] [Default: Always]
       vxlanMode: Never  # VXLAN Mode to use for the IPv4 POOL created at start up. If set to a value other than Never, ipipMode should be set to "Never". [Always | CrossSubnet | Never] [Default: Never]
-      vethMTU: 1440  # The maximum transmission unit (MTU) setting determines the largest packet size that can be transmitted through your network. [Default: 1440]
+      vethMTU: 0  # The maximum transmission unit (MTU) setting determines the largest packet size that can be transmitted through your network. By default, MTU is auto-detected. [Default: 0]
     kubePodsCIDR: 10.233.64.0/18
     kubeServiceCIDR: 10.233.0.0/18
   registry: