[  481.338058] netdevsim netdevsim564 eni564np1: renamed from eth1
[  481.438351] netdevsim netdevsim355 eni355np1: renamed from eth0
[  481.776184] Could not find device with ifindex 2000 in netnsfd 11
[  481.776321] Could not find netns with fd: 2000
[  481.776404] Cannot link a netdevsim to itself
[  481.776503] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).