[  489.595167] netdevsim netdevsim716 eni716np1: renamed from eth1
[  489.695370] netdevsim netdevsim474 eni474np1: renamed from eth0
[  490.058066] Could not find device with ifindex 2000 in netnsfd 11
[  490.058224] Could not find netns with fd: 2000
[  490.058302] Cannot link a netdevsim to itself
[  490.058399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).