[  481.181855] netdevsim netdevsim487 eni487np1: renamed from eth0
[  481.182365] netdevsim netdevsim677 eni677np1: renamed from eth1
[  481.272952] Could not find device with ifindex 2000 in netnsfd 11
[  481.273063] Could not find netns with fd: 2000
[  481.273108] Cannot link a netdevsim to itself
[  481.273158] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).