[  526.206080] netdevsim netdevsim562 eni562np1: renamed from eth1
[  526.303962] netdevsim netdevsim318 eni318np1: renamed from eth0
[  526.534673] Could not find device with ifindex 2000 in netnsfd 11
[  526.534846] Could not find netns with fd: 2000
[  526.534919] Cannot link a netdevsim to itself
[  526.535008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).