[  750.206946][T14627] netdevsim netdevsim299 eni299np1: renamed from eth0
[  750.222013][T14629] netdevsim netdevsim758 eni758np1: renamed from eth1
[  750.805814][T14615] Could not find device with ifindex 2000 in netnsfd 11
[  750.806297][T14615] Could not find netns with fd: 2000
[  750.806843][T14615] Cannot link a netdevsim to itself
[  750.807244][T14615] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).