[  473.557905] netdevsim netdevsim578 eni578np1: renamed from eth1
[  473.558283] netdevsim netdevsim458 eni458np1: renamed from eth0
[  473.630322] Could not find device with ifindex 2000 in netnsfd 11
[  473.630422] Could not find netns with fd: 2000
[  473.630468] Cannot link a netdevsim to itself
[  473.630520] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).