[  477.797806] netdevsim netdevsim274 eni274np1: renamed from eth0
[  477.798169] netdevsim netdevsim516 eni516np1: renamed from eth1
[  477.890980] Could not find device with ifindex 2000 in netnsfd 11
[  477.891075] Could not find netns with fd: 2000
[  477.891123] Cannot link a netdevsim to itself
[  477.891175] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).