[  473.686221] netdevsim netdevsim601 eni601np1: renamed from eth1
[  473.686912] netdevsim netdevsim366 eni366np1: renamed from eth0
[  473.769422] Could not find device with ifindex 2000 in netnsfd 11
[  473.769538] Could not find netns with fd: 2000
[  473.769603] Cannot link a netdevsim to itself
[  473.769677] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).