[  489.457727] netdevsim netdevsim594 eni594np1: renamed from eth1
[  489.554497] netdevsim netdevsim478 eni478np1: renamed from eth0
[  489.775123] Could not find device with ifindex 2000 in netnsfd 11
[  489.775349] Could not find netns with fd: 2000
[  489.775445] Cannot link a netdevsim to itself
[  489.775550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).