[  484.979587] netdevsim netdevsim492 eni492np1: renamed from eth0
[  485.081780] netdevsim netdevsim553 eni553np1: renamed from eth1
[  485.466530] Could not find device with ifindex 2000 in netnsfd 11
[  485.466686] Could not find netns with fd: 2000
[  485.466772] Cannot link a netdevsim to itself
[  485.466875] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).