[  474.041432] netdevsim netdevsim316 eni316np1: renamed from eth0
[  474.041630] netdevsim netdevsim596 eni596np1: renamed from eth1
[  474.121911] Could not find device with ifindex 2000 in netnsfd 11
[  474.122013] Could not find netns with fd: 2000
[  474.122069] Cannot link a netdevsim to itself
[  474.122121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).