[  563.129599] netdevsim netdevsim560 eni560np1: renamed from eth1
[  563.226650] netdevsim netdevsim325 eni325np1: renamed from eth0
[  563.474642] Could not find device with ifindex 2000 in netnsfd 11
[  563.474830] Could not find netns with fd: 2000
[  563.474919] Cannot link a netdevsim to itself
[  563.475021] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).