[  799.135430][T15795] netdevsim netdevsim256 eni256np1: renamed from eth0
[  799.151326][T15796] netdevsim netdevsim526 eni526np1: renamed from eth1
[  799.739710][T15782] Could not find device with ifindex 2000 in netnsfd 11
[  799.740326][T15782] Could not find netns with fd: 2000
[  799.740756][T15782] Cannot link a netdevsim to itself
[  799.741510][T15782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).