[  475.673495] netdevsim netdevsim473 eni473np1: renamed from eth0
[  475.675867] netdevsim netdevsim683 eni683np1: renamed from eth1
[  475.758129] Could not find device with ifindex 2000 in netnsfd 11
[  475.758193] Could not find netns with fd: 2000
[  475.758232] Cannot link a netdevsim to itself
[  475.758276] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).