[  695.982634][T13045] netdevsim netdevsim447 eni447np1: renamed from eth0
[  696.010543][T13048] netdevsim netdevsim697 eni697np1: renamed from eth1
[  696.640458][T13033] Could not find device with ifindex 2000 in netnsfd 11
[  696.641405][T13033] Could not find netns with fd: 2000
[  696.641901][T13033] Cannot link a netdevsim to itself
[  696.646031][T13033] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).