root@sonic:~# show version

SONiC Software Version: SONiC.202012.56-740dd031
Distribution: Debian 10.9
Kernel: 4.19.0-12-2-amd64
Build commit: 740dd031
Build date: Tue Apr  6 09:50:53 UTC 2021
Built by: johnar@jenkins-worker-8

Platform: x86_64-kvm_x86_64-r0
HwSKU: DellEMC-Z9332f-M-O16C64
ASIC: vs
ASIC Count: 1
Serial Number: 000000
Uptime: 10:22:17 up 5 min,  1 user,  load average: 7.48, 4.63, 2.08

Docker images:
REPOSITORY                        TAG                  IMAGE ID            SIZE
docker-gbsyncd-vs-dbg             202012.56-740dd031   dcccd439538f        499MB
docker-gbsyncd-vs-dbg             latest               dcccd439538f        499MB
docker-gbsyncd-vs                 202012.56-740dd031   dcccd439538f        499MB
docker-gbsyncd-vs                 latest               dcccd439538f        499MB
docker-syncd-vs-dbg               202012.56-740dd031   64c995c9a5ed        499MB
docker-syncd-vs-dbg               latest               64c995c9a5ed        499MB
docker-syncd-vs                   202012.56-740dd031   64c995c9a5ed        499MB
docker-syncd-vs                   latest               64c995c9a5ed        499MB
docker-snmp-dbg                   202012.56-740dd031   bb219f0ff5d7        496MB
docker-snmp-dbg                   latest               bb219f0ff5d7        496MB
docker-snmp                       202012.56-740dd031   bb219f0ff5d7        496MB
docker-snmp                       latest               bb219f0ff5d7        496MB
docker-teamd-dbg                  202012.56-740dd031   cdb8e6e9f365        522MB
docker-teamd-dbg                  latest               cdb8e6e9f365        522MB
docker-teamd                      202012.56-740dd031   cdb8e6e9f365        522MB
docker-teamd                      latest               cdb8e6e9f365        522MB
docker-router-advertiser-dbg      202012.56-740dd031   230fe8a435fe        451MB
docker-router-advertiser-dbg      latest               230fe8a435fe        451MB
docker-router-advertiser          202012.56-740dd031   230fe8a435fe        451MB
docker-router-advertiser          latest               230fe8a435fe        451MB
docker-platform-monitor-dbg       202012.56-740dd031   1d82163f09c2        661MB
docker-platform-monitor-dbg       latest               1d82163f09c2        661MB
docker-platform-monitor           202012.56-740dd031   1d82163f09c2        661MB
docker-platform-monitor           latest               1d82163f09c2        661MB
docker-lldp-dbg                   202012.56-740dd031   45e530c13f7a        497MB
docker-lldp-dbg                   latest               45e530c13f7a        497MB
docker-lldp                       202012.56-740dd031   45e530c13f7a        497MB
docker-lldp                       latest               45e530c13f7a        497MB
docker-dhcp-relay                 202012.56-740dd031   2ca18284e10b        459MB
docker-dhcp-relay                 latest               2ca18284e10b        459MB
docker-dhcp-relay-dbg             202012.56-740dd031   2ca18284e10b        459MB
docker-dhcp-relay-dbg             latest               2ca18284e10b        459MB
docker-database-dbg               202012.56-740dd031   076362568f69        451MB
docker-database-dbg               latest               076362568f69        451MB
docker-database                   202012.56-740dd031   076362568f69        451MB
docker-database                   latest               076362568f69        451MB
docker-sonic-mgmt-framework       202012.56-740dd031   e62edd94124e        670MB
docker-sonic-mgmt-framework       latest               e62edd94124e        670MB
docker-sonic-mgmt-framework-dbg   202012.56-740dd031   e62edd94124e        670MB
docker-sonic-mgmt-framework-dbg   latest               e62edd94124e        670MB
docker-orchagent-dbg              202012.56-740dd031   c0cdbbbeb8ac        546MB
docker-orchagent-dbg              latest               c0cdbbbeb8ac        546MB
docker-orchagent                  202012.56-740dd031   c0cdbbbeb8ac        546MB
docker-orchagent                  latest               c0cdbbbeb8ac        546MB
docker-nat                        202012.56-740dd031   0d27bad2f911        525MB
docker-nat                        latest               0d27bad2f911        525MB
docker-nat-dbg                    202012.56-740dd031   0d27bad2f911        525MB
docker-nat-dbg                    latest               0d27bad2f911        525MB
docker-sonic-telemetry-dbg        202012.56-740dd031   ce1421c4db58        541MB
docker-sonic-telemetry-dbg        latest               ce1421c4db58        541MB
docker-sonic-telemetry            202012.56-740dd031   ce1421c4db58        541MB
docker-sonic-telemetry            latest               ce1421c4db58        541MB
docker-fpm-frr-dbg                202012.56-740dd031   f44b0ef2a58f        558MB
docker-fpm-frr-dbg                latest               f44b0ef2a58f        558MB
docker-fpm-frr                    202012.56-740dd031   f44b0ef2a58f        558MB
docker-fpm-frr                    latest               f44b0ef2a58f        558MB
docker-sflow-dbg                  202012.56-740dd031   55add01721a8        463MB
docker-sflow-dbg                  latest               55add01721a8        463MB
docker-sflow                      202012.56-740dd031   55add01721a8        463MB
docker-sflow                      latest               55add01721a8        463MB
root@sonic:~# config interface startup etp1a
root@sonic:~# config interface startup etp1b
root@sonic:~# config interface startup etp1c
root@sonic:~# config interface startup etp1d
root@sonic:~# config interface startup etp1
Usage: config interface startup [OPTIONS] <interface_name>
Try "config interface startup -h" for help.

Error: Interface name is invalid. Please enter a valid interface name!!
root@sonic:~# config interface startup etp34
root@sonic:~#