[  492.515639] netdevsim netdevsim377 eni377np1: renamed from eth0
[  492.616556] netdevsim netdevsim519 eni519np1: renamed from eth1
[  492.997531] Could not find device with ifindex 2000 in netnsfd 11
[  492.997730] Could not find netns with fd: 2000
[  492.997835] Cannot link a netdevsim to itself
[  492.997943] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).