A running Ubuntu instance suddenly became unreachable. Reboot same. Appears OK as I can login on serial console, no resource issues. Tried attaching second ENI, still unreachable. Watching console log on reboot I see:
[ 10.816067] ena: ENA device version: 0.10
[ 10.821183] ena: ENA controller version: 0.0.1 implementation version 1
[ 10.829641] cryptd: max_cpu_qlen set to 1000
[ 10.831211] ena 0000:00:05.0: LLQ is not supported Fallback to host mode policy.
[ 10.932247] AVX2 version of gcm_enc/dec engaged.
[ 10.937723] AES CTR mode by8 optimization enabled
[ 10.955991] ena 0000:00:05.0: Elastic Network Adapter (ENA) found at mem febf4000, mac addr 0e:d6:48:41:90:95
[ 10.975579] ena: ENA device version: 0.10
[ 11.018161] ena: ENA controller version: 0.0.1 implementation version 1
[ 11.025605] ena 0000:00:06.0: LLQ is not supported Fallback to host mode policy.
[ 11.037671] ena 0000:00:06.0: Elastic Network Adapter (ENA) found at mem febf8000, mac addr 0e:38:ab:9f:70:a7
[ 11.123572] ena 0000:00:05.0 ens5: renamed from eth0
[ 11.141805] ena 0000:00:06.0 ens6: renamed from eth1
but immediately after serial console login, I try ifconfig and get this, no adapters except localhost loopback. Any suggestions??
john@aws-mongodb-sl-1:~$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 698 bytes 43567 (43.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 698 bytes 43567 (43.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0