[  524.313436] netdevsim netdevsim690 eni690np1: renamed from eth1
[  524.409019] netdevsim netdevsim387 eni387np1: renamed from eth0
[  524.676021] Could not find device with ifindex 2000 in netnsfd 11
[  524.676249] Could not find netns with fd: 2000
[  524.676344] Cannot link a netdevsim to itself
[  524.676467] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).