[  520.735235] netdevsim netdevsim583 eni583np1: renamed from eth1
[  520.831310] netdevsim netdevsim258 eni258np1: renamed from eth0
[  521.091453] Could not find device with ifindex 2000 in netnsfd 11
[  521.091655] Could not find netns with fd: 2000
[  521.091751] Cannot link a netdevsim to itself
[  521.091864] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).