[  810.078715][T14774] netdevsim netdevsim340 eni340np1: renamed from eth0
[  810.109326][T14776] netdevsim netdevsim689 eni689np1: renamed from eth1
[  810.689403][T14762] Could not find device with ifindex 2000 in netnsfd 11
[  810.690098][T14762] Could not find netns with fd: 2000
[  810.690578][T14762] Cannot link a netdevsim to itself
[  810.691143][T14762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).