[  474.872809] netdevsim netdevsim412 eni412np1: renamed from eth0
[  474.873696] netdevsim netdevsim732 eni732np1: renamed from eth1
[  474.972045] Could not find device with ifindex 2000 in netnsfd 11
[  474.972244] Could not find netns with fd: 2000
[  474.972408] Cannot link a netdevsim to itself
[  474.972573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).