[  494.926963] netdevsim netdevsim502 eni502np1: renamed from eth0
[  495.022814] netdevsim netdevsim601 eni601np1: renamed from eth1
[  495.253210] Could not find device with ifindex 2000 in netnsfd 11
[  495.253520] Could not find netns with fd: 2000
[  495.253591] Cannot link a netdevsim to itself
[  495.253689] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).