[  487.121677] netdevsim netdevsim602 eni602np1: renamed from eth1
[  487.216413] netdevsim netdevsim413 eni413np1: renamed from eth0
[  487.449059] Could not find device with ifindex 2000 in netnsfd 11
[  487.449328] Could not find netns with fd: 2000
[  487.449423] Cannot link a netdevsim to itself
[  487.449534] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).