[  472.437743] netdevsim netdevsim745 eni745np1: renamed from eth1
[  472.438067] netdevsim netdevsim283 eni283np1: renamed from eth0
[  472.511230] Could not find device with ifindex 2000 in netnsfd 11
[  472.511364] Could not find netns with fd: 2000
[  472.511471] Cannot link a netdevsim to itself
[  472.511588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).