[  488.954374] netdevsim netdevsim756 eni756np1: renamed from eth1
[  489.050240] netdevsim netdevsim358 eni358np1: renamed from eth0
[  489.266084] Could not find device with ifindex 2000 in netnsfd 11
[  489.266449] Could not find netns with fd: 2000
[  489.266541] Cannot link a netdevsim to itself
[  489.266659] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).