[  696.561862][T13011] netdevsim netdevsim497 eni497np1: renamed from eth0
[  696.588416][T13014] netdevsim netdevsim539 eni539np1: renamed from eth1
[  697.208287][T12998] Could not find device with ifindex 2000 in netnsfd 11
[  697.209125][T12998] Could not find netns with fd: 2000
[  697.209520][T12998] Cannot link a netdevsim to itself
[  697.209989][T12998] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).