[  940.269819][T12478] netdevsim netdevsim301 eni301np1: renamed from eth0
[  940.287845][T12479] netdevsim netdevsim694 eni694np1: renamed from eth1
[  941.913121][T12471] Could not find device with ifindex 2000 in netnsfd 11
[  941.914136][T12471] Could not find netns with fd: 2000
[  941.914877][T12471] Cannot link a netdevsim to itself
[  941.915837][T12471] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).