[  484.471741] netdevsim netdevsim287 eni287np1: renamed from eth0
[  484.573620] netdevsim netdevsim737 eni737np1: renamed from eth1
[  484.920365] Could not find device with ifindex 2000 in netnsfd 11
[  484.920512] Could not find netns with fd: 2000
[  484.920591] Cannot link a netdevsim to itself
[  484.920708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).