I’m running Rocky Linux 8.7 on EC2 g4dn.8xlarge instance. This instance has 2 elastic network interfaces, but I can only see one in all the typical network commands, including ip
, ifconfig
, and nmcli
. What could cause this?
# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9001 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 06:1f:ba:b4:d1:db brd ff:ff:ff:ff:ff:ff
altname enp0s5
altname ens5
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:b1:14:70 brd ff:ff:ff:ff:ff:ff
# lshw -class network
*-network:0
description: Ethernet interface
product: Elastic Network Adapter (ENA)
vendor: Amazon.com, Inc.
physical id: 5
bus info: pci@0000:00:05.0
logical name: eth0
version: 00
serial: 06:1f:ba:b4:d1:db
width: 32 bits
clock: 33MHz
capabilities: pciexpress msix bus_master cap_list ethernet physical
configuration: broadcast=yes driver=ena driverversion=4.18.0-425.13.1.el8_7.x86_64 ip=10.128.32.45 latency=0 link=yes multicast=yes
resources: irq:0 memory:fd014000-fd017fff memory:fe000000-fe3fffff
*-network:1
description: Ethernet controller
product: Elastic Network Adapter (ENA)
vendor: Amazon.com, Inc.
physical id: 6
bus info: pci@0000:00:06.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pciexpress msix bus_master cap_list
configuration: driver=igb_uio latency=0
resources: irq:0 memory:fd018000-fd01bfff memory:fe400000-fe7fffff
*-network:2
description: Ethernet controller
product: Elastic Fabric Adapter (EFA)
vendor: Amazon.com, Inc.
physical id: 7
bus info: pci@0000:00:07.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pciexpress msix bus_master cap_list
configuration: driver=efa latency=0
resources: iomemory:200-1ff iomemory:200-1ff irq:0 memory:fd01c000-fd01ffff memory:2090000000-2097ffffff memory:2040000000-20407fffff