[  520.567652] netdevsim netdevsim703 eni703np1: renamed from eth1
[  520.664739] netdevsim netdevsim295 eni295np1: renamed from eth0
[  520.961320] Could not find device with ifindex 2000 in netnsfd 11
[  520.961513] Could not find netns with fd: 2000
[  520.961617] Cannot link a netdevsim to itself
[  520.961745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).