[  488.900794] netdevsim netdevsim624 eni624np1: renamed from eth1
[  488.997426] netdevsim netdevsim257 eni257np1: renamed from eth0
[  489.231516] Could not find device with ifindex 2000 in netnsfd 11
[  489.231847] Could not find netns with fd: 2000
[  489.231928] Cannot link a netdevsim to itself
[  489.232060] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).