[  475.829023] netdevsim netdevsim474 eni474np1: renamed from eth0
[  475.830016] netdevsim netdevsim737 eni737np1: renamed from eth1
[  475.917472] Could not find device with ifindex 2000 in netnsfd 11
[  475.917652] Could not find netns with fd: 2000
[  475.917789] Cannot link a netdevsim to itself
[  475.917929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).