[  485.379413] netdevsim netdevsim458 eni458np1: renamed from eth0
[  485.380627] netdevsim netdevsim543 eni543np1: renamed from eth1
[  485.704576] Could not find device with ifindex 2000 in netnsfd 11
[  485.704716] Could not find netns with fd: 2000
[  485.704780] Cannot link a netdevsim to itself
[  485.704868] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).