[  427.880232] netdevsim netdevsim494 eni494np1: renamed from eth0
[  427.881469] netdevsim netdevsim682 eni682np1: renamed from eth1
[  427.970057] Could not find device with ifindex 2000 in netnsfd 11
[  427.970145] Could not find netns with fd: 2000
[  427.970187] Cannot link a netdevsim to itself
[  427.970236] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).