[  519.488083] netdevsim netdevsim478 eni478np1: renamed from eth0
[  519.584738] netdevsim netdevsim601 eni601np1: renamed from eth1
[  519.788427] Could not find device with ifindex 2000 in netnsfd 11
[  519.788587] Could not find netns with fd: 2000
[  519.788663] Cannot link a netdevsim to itself
[  519.788754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).