[  523.137405] netdevsim netdevsim432 eni432np1: renamed from eth0
[  523.233821] netdevsim netdevsim538 eni538np1: renamed from eth1
[  523.478557] Could not find device with ifindex 2000 in netnsfd 11
[  523.478751] Could not find netns with fd: 2000
[  523.478842] Cannot link a netdevsim to itself
[  523.478955] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).