[  484.803615] netdevsim netdevsim406 eni406np1: renamed from eth0
[  484.906238] netdevsim netdevsim724 eni724np1: renamed from eth1
[  485.302887] Could not find device with ifindex 2000 in netnsfd 11
[  485.303069] Could not find netns with fd: 2000
[  485.303154] Cannot link a netdevsim to itself
[  485.303280] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).