[  474.450160] netdevsim netdevsim448 eni448np1: renamed from eth0
[  474.450454] netdevsim netdevsim593 eni593np1: renamed from eth1
[  474.535542] Could not find device with ifindex 2000 in netnsfd 11
[  474.535642] Could not find netns with fd: 2000
[  474.535690] Cannot link a netdevsim to itself
[  474.535757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).