[  473.715623] netdevsim netdevsim370 eni370np1: renamed from eth0
[  473.716050] netdevsim netdevsim640 eni640np1: renamed from eth1
[  473.802393] Could not find device with ifindex 2000 in netnsfd 11
[  473.802470] Could not find netns with fd: 2000
[  473.802505] Cannot link a netdevsim to itself
[  473.802545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).