[  706.135031][T13057] netdevsim netdevsim475 eni475np1: renamed from eth0
[  706.162929][T13059] netdevsim netdevsim740 eni740np1: renamed from eth1
[  706.950933][T13045] Could not find device with ifindex 2000 in netnsfd 11
[  706.951905][T13045] Could not find netns with fd: 2000
[  706.952927][T13045] Cannot link a netdevsim to itself
[  706.953709][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).