[  519.364845] netdevsim netdevsim458 eni458np1: renamed from eth0
[  519.461933] netdevsim netdevsim737 eni737np1: renamed from eth1
[  519.691637] Could not find device with ifindex 2000 in netnsfd 11
[  519.691822] Could not find netns with fd: 2000
[  519.691895] Cannot link a netdevsim to itself
[  519.692008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).