[  479.366452] netdevsim netdevsim260 eni260np1: renamed from eth0
[  479.366794] netdevsim netdevsim746 eni746np1: renamed from eth1
[  479.448156] Could not find device with ifindex 2000 in netnsfd 11
[  479.448316] Could not find netns with fd: 2000
[  479.448426] Cannot link a netdevsim to itself
[  479.448553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).