[  800.670896][T14656] netdevsim netdevsim355 eni355np1: renamed from eth0
[  800.692159][T14658] netdevsim netdevsim515 eni515np1: renamed from eth1
[  801.370635][T14644] Could not find device with ifindex 2000 in netnsfd 11
[  801.371235][T14644] Could not find netns with fd: 2000
[  801.371613][T14644] Cannot link a netdevsim to itself
[  801.372070][T14644] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).