[  521.858107] netdevsim netdevsim703 eni703np1: renamed from eth1
[  521.954677] netdevsim netdevsim414 eni414np1: renamed from eth0
[  522.235017] Could not find device with ifindex 2000 in netnsfd 11
[  522.235215] Could not find netns with fd: 2000
[  522.235321] Cannot link a netdevsim to itself
[  522.235433] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).