[  521.673183] netdevsim netdevsim368 eni368np1: renamed from eth0
[  521.771367] netdevsim netdevsim683 eni683np1: renamed from eth1
[  522.035889] Could not find device with ifindex 2000 in netnsfd 11
[  522.036092] Could not find netns with fd: 2000
[  522.036197] Cannot link a netdevsim to itself
[  522.036298] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).