[  487.211706] netdevsim netdevsim295 eni295np1: renamed from eth0
[  487.308492] netdevsim netdevsim581 eni581np1: renamed from eth1
[  487.524858] Could not find device with ifindex 2000 in netnsfd 11
[  487.525291] Could not find netns with fd: 2000
[  487.525420] Cannot link a netdevsim to itself
[  487.525545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).