[  480.096762] netdevsim netdevsim593 eni593np1: renamed from eth1
[  480.197170] netdevsim netdevsim309 eni309np1: renamed from eth0
[  480.553304] Could not find device with ifindex 2000 in netnsfd 11
[  480.553457] Could not find netns with fd: 2000
[  480.553539] Cannot link a netdevsim to itself
[  480.553644] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).