[  484.274749] netdevsim netdevsim484 eni484np1: renamed from eth0
[  484.375581] netdevsim netdevsim624 eni624np1: renamed from eth1
[  484.706558] Could not find device with ifindex 2000 in netnsfd 11
[  484.706704] Could not find netns with fd: 2000
[  484.706789] Cannot link a netdevsim to itself
[  484.706896] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).