[  491.039002] netdevsim netdevsim590 eni590np1: renamed from eth1
[  491.135454] netdevsim netdevsim508 eni508np1: renamed from eth0
[  491.340952] Could not find device with ifindex 2000 in netnsfd 11
[  491.341143] Could not find netns with fd: 2000
[  491.341236] Cannot link a netdevsim to itself
[  491.341351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).