[  456.945958] netdevsim netdevsim738 eni738np1: renamed from eth1
[  456.946319] netdevsim netdevsim495 eni495np1: renamed from eth0
[  457.031926] Could not find device with ifindex 2000 in netnsfd 11
[  457.032027] Could not find netns with fd: 2000
[  457.032070] Cannot link a netdevsim to itself
[  457.032125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).