[  845.924451][T15791] netdevsim netdevsim291 eni291np1: renamed from eth0
[  845.956679][T15790] netdevsim netdevsim519 eni519np1: renamed from eth1
[  846.680703][T15779] Could not find device with ifindex 2000 in netnsfd 11
[  846.681320][T15779] Could not find netns with fd: 2000
[  846.682267][T15779] Cannot link a netdevsim to itself
[  846.683775][T15779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).