[  494.078158] netdevsim netdevsim396 eni396np1: renamed from eth0
[  494.174297] netdevsim netdevsim583 eni583np1: renamed from eth1
[  494.409055] Could not find device with ifindex 2000 in netnsfd 11
[  494.409410] Could not find netns with fd: 2000
[  494.409551] Cannot link a netdevsim to itself
[  494.409664] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).