Another method:
0 > dev packages/gui
ok
0 > display_boot_devices #network

SMS Macro Operation Succeeded.
Device Current Device
Number Position Name
1. 2 Interpartition Logical LAN ( loc=U8246.L2B.06009AA-V1-C3-T1 )
2. – Interpartition Logical LAN ( loc=U8246.L2B.06009AA-V1-C4-T1 )
3. – Interpartition Logical LAN ( loc=U8246.L2B.06009AA-V1-C5-T1 )
4. – Interpartition Logical LAN ( loc=U8246.L2B.06009AA-V1-C6-T1 )
5. – PORT – 1 IBM Host Ethernet Adapter ( loc=U78AB.001.WZSGK0Z-P1-C2-T1 )
6. – PORT – 2 IBM Host Ethernet Adapter ( loc=U78AB.001.WZSGK0Z-P1-C2-T2 )
ok
0 > display_mac_address U78AB.001.WZSGK0Z-P1-C2-T1
SMS Macro Operation Succeeded.
MAC-ADDRESS = 5cf3fc85f240
ok