Change MAC addresses to be 52:55:55:XX:XX:XX

"5" is the magic number in the Lima ecosystem.
(Visit https://en.wiktionary.org/wiki/lima and Command-F "five")

But the second hex number is changed to 2 to satisfy the convention for local MAC addresses
(https://en.wikipedia.org/wiki/MAC_address#Ranges_of_group_and_locally_administered_addresses)

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

pkg/limayaml/defaults.go

@@ -13,9 +13,14 @@ import (
 
 func MACAddress(uniqueID string) string {
 	sha := sha256.Sum256([]byte(osutil.MachineID() + uniqueID))
-	// According to https://gitlab.com/wireshark/wireshark/-/blob/master/manuf
-	// no well-known MAC addresses start with 0x22.
-	hw := append(net.HardwareAddr{0x22}, sha[0:5]...)
+	// "5" is the magic number in the Lima ecosystem.
+	// (Visit https://en.wiktionary.org/wiki/lima and Command-F "five")
+	//
+	// But the second hex number is changed to 2 to satisfy the convention for
+	// local MAC addresses (https://en.wikipedia.org/wiki/MAC_address#Ranges_of_group_and_locally_administered_addresses)
+	//
+	// See also https://gitlab.com/wireshark/wireshark/-/blob/master/manuf to confirm the uniqueness of this prefix.
+	hw := append(net.HardwareAddr{0x52, 0x55, 0x55}, sha[0:3]...)
 	return hw.String()
 }