[  493.143488] netdevsim netdevsim345 eni345np1: renamed from eth0
[  493.240203] netdevsim netdevsim764 eni764np1: renamed from eth1
[  493.456955] Could not find device with ifindex 2000 in netnsfd 11
[  493.457270] Could not find netns with fd: 2000
[  493.457359] Cannot link a netdevsim to itself
[  493.457462] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).