[  479.031468] netdevsim netdevsim444 eni444np1: renamed from eth0
[  479.031941] netdevsim netdevsim712 eni712np1: renamed from eth1
[  479.119745] Could not find device with ifindex 2000 in netnsfd 11
[  479.119913] Could not find netns with fd: 2000
[  479.120015] Cannot link a netdevsim to itself
[  479.120129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).