[  474.501946] netdevsim netdevsim394 eni394np1: renamed from eth0
[  474.502600] netdevsim netdevsim694 eni694np1: renamed from eth1
[  474.589466] Could not find device with ifindex 2000 in netnsfd 11
[  474.589605] Could not find netns with fd: 2000
[  474.589706] Cannot link a netdevsim to itself
[  474.589830] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).