如何确定Isilon cluster的网卡类型是40GbE的还是10GbE的

f800test-1# isi upgrade firmware devices
Device                    Type   Firmware                 Mismatch  Lnns
-------------------------------------------------------------------------
Mellanox-EN0              10GigE 2.40.5030+EMC0000000002  -         1-4 
Mellanox5-EN0             40GigE 16.24.1000+EMC0000000017 -         1-4 

mlxen0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
         options=d07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,LINKSTATE>
         ether 7c:fe:90:cc:1a:f5
         inet 172.16.210.39 netmask 0xfffff000 broadcast 172.16.207.255 zone 1
         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
         media: Ethernet autoselect (40Gbase-CR4 <full-duplex,rxpause,txpause>)
         status: active
mlxen1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
         options=d07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,LINKSTATE>
         ether 7c:fe:90:cc:1a:f6
         inet 172.16.210.53 netmask 0xfffff000 broadcast 172.16.207.255 zone 1
         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
         media: Ethernet autoselect (40Gbase-CR4 <full-duplex,rxpause,txpause>)
         status: active