[  511.722865] netdevsim netdevsim662 eni662np1: renamed from eth1
[  511.820932] netdevsim netdevsim362 eni362np1: renamed from eth0
[  512.048934] Could not find device with ifindex 2000 in netnsfd 11
[  512.049113] Could not find netns with fd: 2000
[  512.049219] Cannot link a netdevsim to itself
[  512.049363] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).