[  489.130718] netdevsim netdevsim258 eni258np1: renamed from eth0
[  489.131056] netdevsim netdevsim624 eni624np1: renamed from eth1
[  489.221489] Could not find device with ifindex 2000 in netnsfd 11
[  489.221663] Could not find netns with fd: 2000
[  489.221774] Cannot link a netdevsim to itself
[  489.221907] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).