[  493.000562] netdevsim netdevsim265 eni265np1: renamed from eth0
[  493.095887] netdevsim netdevsim764 eni764np1: renamed from eth1
[  493.335726] Could not find device with ifindex 2000 in netnsfd 11
[  493.336072] Could not find netns with fd: 2000
[  493.336148] Cannot link a netdevsim to itself
[  493.336257] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).