[  546.300914] netdevsim netdevsim343 eni343np1: renamed from eth0
[  546.302607] netdevsim netdevsim597 eni597np1: renamed from eth1
[  546.667381] Could not find device with ifindex 2000 in netnsfd 11
[  546.667520] Could not find netns with fd: 2000
[  546.667606] Cannot link a netdevsim to itself
[  546.667697] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).