[  497.513198] netdevsim netdevsim709 eni709np1: renamed from eth1
[  497.613506] netdevsim netdevsim349 eni349np1: renamed from eth0
[  497.959906] Could not find device with ifindex 2000 in netnsfd 11
[  497.960049] Could not find netns with fd: 2000
[  497.960126] Cannot link a netdevsim to itself
[  497.960220] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).