[  527.010690] netdevsim netdevsim530 eni530np1: renamed from eth1
[  527.108024] netdevsim netdevsim336 eni336np1: renamed from eth0
[  527.374530] Could not find device with ifindex 2000 in netnsfd 11
[  527.374738] Could not find netns with fd: 2000
[  527.374822] Cannot link a netdevsim to itself
[  527.374925] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).