[  526.128932] netdevsim netdevsim496 eni496np1: renamed from eth0
[  526.225736] netdevsim netdevsim753 eni753np1: renamed from eth1
[  526.443190] Could not find device with ifindex 2000 in netnsfd 11
[  526.443427] Could not find netns with fd: 2000
[  526.443522] Cannot link a netdevsim to itself
[  526.443643] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).