[  457.116990] netdevsim netdevsim280 eni280np1: renamed from eth0
[  457.118143] netdevsim netdevsim711 eni711np1: renamed from eth1
[  457.212830] Could not find device with ifindex 2000 in netnsfd 11
[  457.212929] Could not find netns with fd: 2000
[  457.212974] Cannot link a netdevsim to itself
[  457.213024] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).