[  483.025662] netdevsim netdevsim686 eni686np1: renamed from eth1
[  483.126449] netdevsim netdevsim417 eni417np1: renamed from eth0
[  483.479910] Could not find device with ifindex 2000 in netnsfd 11
[  483.480036] Could not find netns with fd: 2000
[  483.480106] Cannot link a netdevsim to itself
[  483.480207] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).