[  487.687533] netdevsim netdevsim448 eni448np1: renamed from eth0
[  487.785029] netdevsim netdevsim538 eni538np1: renamed from eth1
[  488.020430] Could not find device with ifindex 2000 in netnsfd 11
[  488.020668] Could not find netns with fd: 2000
[  488.020777] Cannot link a netdevsim to itself
[  488.020931] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).