[  761.278905][T14572] netdevsim netdevsim290 eni290np1: renamed from eth0
[  761.295272][T14574] netdevsim netdevsim611 eni611np1: renamed from eth1
[  761.858497][T14560] Could not find device with ifindex 2000 in netnsfd 11
[  761.859296][T14560] Could not find netns with fd: 2000
[  761.859811][T14560] Cannot link a netdevsim to itself
[  761.860200][T14560] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).