[  481.699132] netdevsim netdevsim486 eni486np1: renamed from eth0
[  481.800055] netdevsim netdevsim632 eni632np1: renamed from eth1
[  482.151824] Could not find device with ifindex 2000 in netnsfd 11
[  482.151996] Could not find netns with fd: 2000
[  482.152101] Cannot link a netdevsim to itself
[  482.152226] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).