[  474.506768] netdevsim netdevsim490 eni490np1: renamed from eth0
[  474.507638] netdevsim netdevsim590 eni590np1: renamed from eth0
[  474.594488] Could not find device with ifindex 2000 in netnsfd 11
[  474.594576] Could not find netns with fd: 2000
[  474.594619] Cannot link a netdevsim to itself
[  474.594670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).