[  488.533986] netdevsim netdevsim373 eni373np1: renamed from eth0
[  488.534499] netdevsim netdevsim705 eni705np1: renamed from eth1
[  488.615977] Could not find device with ifindex 2000 in netnsfd 11
[  488.616060] Could not find netns with fd: 2000
[  488.616103] Cannot link a netdevsim to itself
[  488.616153] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).