[  524.416920] netdevsim netdevsim698 eni698np1: renamed from eth1
[  524.514941] netdevsim netdevsim509 eni509np1: renamed from eth0
[  524.752194] Could not find device with ifindex 2000 in netnsfd 11
[  524.752398] Could not find netns with fd: 2000
[  524.752492] Cannot link a netdevsim to itself
[  524.752599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).