[  488.384035] netdevsim netdevsim335 eni335np1: renamed from eth0
[  488.481358] netdevsim netdevsim593 eni593np1: renamed from eth1
[  488.707612] Could not find device with ifindex 2000 in netnsfd 11
[  488.708070] Could not find netns with fd: 2000
[  488.708211] Cannot link a netdevsim to itself
[  488.708359] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).