[  497.630846] netdevsim netdevsim599 eni599np1: renamed from eth1
[  497.725946] netdevsim netdevsim475 eni475np1: renamed from eth0
[  497.956538] Could not find device with ifindex 2000 in netnsfd 11
[  497.956907] Could not find netns with fd: 2000
[  497.957015] Cannot link a netdevsim to itself
[  497.957148] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).