[  521.503409] netdevsim netdevsim695 eni695np1: renamed from eth1
[  521.601764] netdevsim netdevsim430 eni430np1: renamed from eth0
[  521.845090] Could not find device with ifindex 2000 in netnsfd 11
[  521.845286] Could not find netns with fd: 2000
[  521.845379] Cannot link a netdevsim to itself
[  521.845486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).