[  483.620996] netdevsim netdevsim289 eni289np1: renamed from eth0
[  483.623528] netdevsim netdevsim640 eni640np1: renamed from eth1
[  483.709078] Could not find device with ifindex 2000 in netnsfd 11
[  483.709157] Could not find netns with fd: 2000
[  483.709199] Cannot link a netdevsim to itself
[  483.709255] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).