[  484.176140] netdevsim netdevsim388 eni388np1: renamed from eth0
[  484.176904] netdevsim netdevsim654 eni654np1: renamed from eth1
[  484.260927] Could not find device with ifindex 2000 in netnsfd 11
[  484.261007] Could not find netns with fd: 2000
[  484.261050] Cannot link a netdevsim to itself
[  484.261102] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).