[  489.576640] netdevsim netdevsim412 eni412np1: renamed from eth0
[  489.673746] netdevsim netdevsim658 eni658np1: renamed from eth1
[  489.923775] Could not find device with ifindex 2000 in netnsfd 11
[  489.924071] Could not find netns with fd: 2000
[  489.924176] Cannot link a netdevsim to itself
[  489.924283] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).