[  525.446757] netdevsim netdevsim333 eni333np1: renamed from eth0
[  525.544715] netdevsim netdevsim761 eni761np1: renamed from eth1
[  525.777284] Could not find device with ifindex 2000 in netnsfd 11
[  525.777486] Could not find netns with fd: 2000
[  525.777590] Cannot link a netdevsim to itself
[  525.777717] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).