[  481.964198] netdevsim netdevsim720 eni720np1: renamed from eth1
[  482.064650] netdevsim netdevsim265 eni265np1: renamed from eth0
[  482.423405] Could not find device with ifindex 2000 in netnsfd 11
[  482.423553] Could not find netns with fd: 2000
[  482.423622] Cannot link a netdevsim to itself
[  482.423712] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).