[  481.459180] netdevsim netdevsim258 eni258np1: renamed from eth0
[  481.461061] netdevsim netdevsim516 eni516np1: renamed from eth1
[  481.826726] Could not find device with ifindex 2000 in netnsfd 11
[  481.826886] Could not find netns with fd: 2000
[  481.826979] Cannot link a netdevsim to itself
[  481.827092] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).