[  784.099129][T14437] netdevsim netdevsim491 eni491np1: renamed from eth0
[  784.104883][T14439] netdevsim netdevsim629 eni629np1: renamed from eth1
[  784.695248][T14425] Could not find device with ifindex 2000 in netnsfd 11
[  784.695874][T14425] Could not find netns with fd: 2000
[  784.696396][T14425] Cannot link a netdevsim to itself
[  784.696921][T14425] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).