[  485.148101] netdevsim netdevsim390 eni390np1: renamed from eth0
[  485.148548] netdevsim netdevsim524 eni524np1: renamed from eth1
[  485.247759] Could not find device with ifindex 2000 in netnsfd 11
[  485.247880] Could not find netns with fd: 2000
[  485.247935] Cannot link a netdevsim to itself
[  485.247998] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).