[  487.843917] netdevsim netdevsim459 eni459np1: renamed from eth0
[  487.940313] netdevsim netdevsim525 eni525np1: renamed from eth1
[  488.181912] Could not find device with ifindex 2000 in netnsfd 11
[  488.182259] Could not find netns with fd: 2000
[  488.182375] Cannot link a netdevsim to itself
[  488.182511] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).