[  479.061070] netdevsim netdevsim464 eni464np1: renamed from eth0
[  479.061481] netdevsim netdevsim712 eni712np1: renamed from eth1
[  479.145804] Could not find device with ifindex 2000 in netnsfd 11
[  479.145928] Could not find netns with fd: 2000
[  479.145985] Cannot link a netdevsim to itself
[  479.146047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).