[  474.083554] netdevsim netdevsim483 eni483np1: renamed from eth0
[  474.083881] netdevsim netdevsim634 eni634np1: renamed from eth1
[  474.159542] Could not find device with ifindex 2000 in netnsfd 11
[  474.159634] Could not find netns with fd: 2000
[  474.159677] Cannot link a netdevsim to itself
[  474.159724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).