[  482.658450] netdevsim netdevsim302 eni302np1: renamed from eth0
[  482.759706] netdevsim netdevsim688 eni688np1: renamed from eth1
[  483.106523] Could not find device with ifindex 2000 in netnsfd 11
[  483.106682] Could not find netns with fd: 2000
[  483.106778] Cannot link a netdevsim to itself
[  483.106874] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).