[  474.065073] netdevsim netdevsim703 eni703np1: renamed from eth1
[  474.066197] netdevsim netdevsim311 eni311np1: renamed from eth0
[  474.155899] Could not find device with ifindex 2000 in netnsfd 11
[  474.155997] Could not find netns with fd: 2000
[  474.156043] Cannot link a netdevsim to itself
[  474.156094] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).