[  524.328985] netdevsim netdevsim529 eni529np1: renamed from eth1
[  524.423487] netdevsim netdevsim509 eni509np1: renamed from eth0
[  524.690315] Could not find device with ifindex 2000 in netnsfd 11
[  524.690505] Could not find netns with fd: 2000
[  524.690586] Cannot link a netdevsim to itself
[  524.690681] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).