[  475.598383] netdevsim netdevsim377 eni377np1: renamed from eth0
[  475.599100] netdevsim netdevsim719 eni719np1: renamed from eth1
[  475.680623] Could not find device with ifindex 2000 in netnsfd 11
[  475.680707] Could not find netns with fd: 2000
[  475.680749] Cannot link a netdevsim to itself
[  475.680798] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).