[  484.913533] netdevsim netdevsim415 eni415np1: renamed from eth0
[  485.014326] netdevsim netdevsim516 eni516np1: renamed from eth1
[  485.358596] Could not find device with ifindex 2000 in netnsfd 11
[  485.358749] Could not find netns with fd: 2000
[  485.358820] Cannot link a netdevsim to itself
[  485.358919] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).