[  474.695754] netdevsim netdevsim434 eni434np1: renamed from eth0
[  474.696524] netdevsim netdevsim650 eni650np1: renamed from eth1
[  474.788900] Could not find device with ifindex 2000 in netnsfd 11
[  474.789038] Could not find netns with fd: 2000
[  474.789143] Cannot link a netdevsim to itself
[  474.789257] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).