[  511.966112] netdevsim netdevsim738 eni738np1: renamed from eth1
[  512.066864] netdevsim netdevsim356 eni356np1: renamed from eth0
[  512.438173] Could not find device with ifindex 2000 in netnsfd 11
[  512.438348] Could not find netns with fd: 2000
[  512.438444] Cannot link a netdevsim to itself
[  512.438569] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).