[  514.128183] netdevsim netdevsim659 eni659np1: renamed from eth1
[  514.226347] netdevsim netdevsim455 eni455np1: renamed from eth0
[  514.455181] Could not find device with ifindex 2000 in netnsfd 11
[  514.455366] Could not find netns with fd: 2000
[  514.455452] Cannot link a netdevsim to itself
[  514.455548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).