[   73.269838][ T1602] netdevsim netdevsim458 eni458np1: renamed from eth0
[   73.276281][ T1604] netdevsim netdevsim750 eni750np1: renamed from eth1
[   73.690706][ T1590] Could not find device with ifindex 2000 in netnsfd 11
[   73.691162][ T1590] Could not find netns with fd: 2000
[   73.691360][ T1590] Cannot link a netdevsim to itself
[   73.691604][ T1590] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).