[  483.615063] netdevsim netdevsim285 eni285np1: renamed from eth0
[  483.616210] netdevsim netdevsim645 eni645np1: renamed from eth0
[  483.705570] Could not find device with ifindex 2000 in netnsfd 11
[  483.705659] Could not find netns with fd: 2000
[  483.705702] Cannot link a netdevsim to itself
[  483.705755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).