[  524.493042] netdevsim netdevsim716 eni716np1: renamed from eth1
[  524.591117] netdevsim netdevsim256 eni256np1: renamed from eth0
[  524.829189] Could not find device with ifindex 2000 in netnsfd 11
[  524.829370] Could not find netns with fd: 2000
[  524.829448] Cannot link a netdevsim to itself
[  524.829556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).