[  487.008338] netdevsim netdevsim516 eni516np1: renamed from eth1
[  487.105067] netdevsim netdevsim376 eni376np1: renamed from eth0
[  487.310284] Could not find device with ifindex 2000 in netnsfd 11
[  487.310578] Could not find netns with fd: 2000
[  487.310656] Cannot link a netdevsim to itself
[  487.310744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).