[  488.267068] netdevsim netdevsim708 eni708np1: renamed from eth1
[  488.363630] netdevsim netdevsim271 eni271np1: renamed from eth0
[  488.577560] Could not find device with ifindex 2000 in netnsfd 11
[  488.577869] Could not find netns with fd: 2000
[  488.577981] Cannot link a netdevsim to itself
[  488.578090] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).