[  487.042098] netdevsim netdevsim475 eni475np1: renamed from eth0
[  487.042907] netdevsim netdevsim717 eni717np1: renamed from eth1
[  487.146118] Could not find device with ifindex 2000 in netnsfd 11
[  487.146242] Could not find netns with fd: 2000
[  487.146298] Cannot link a netdevsim to itself
[  487.146363] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).