[  488.516036] netdevsim netdevsim578 eni578np1: renamed from eth1
[  488.617211] netdevsim netdevsim445 eni445np1: renamed from eth0
[  488.971450] Could not find device with ifindex 2000 in netnsfd 11
[  488.971587] Could not find netns with fd: 2000
[  488.971663] Cannot link a netdevsim to itself
[  488.971767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).