[  522.875247] netdevsim netdevsim478 eni478np1: renamed from eth0
[  522.973444] netdevsim netdevsim703 eni703np1: renamed from eth1
[  523.181446] Could not find device with ifindex 2000 in netnsfd 11
[  523.181625] Could not find netns with fd: 2000
[  523.181708] Cannot link a netdevsim to itself
[  523.181816] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).