[  784.582388][T14564] netdevsim netdevsim309 eni309np1: renamed from eth0
[  784.602883][T14567] netdevsim netdevsim614 eni614np1: renamed from eth1
[  785.188655][T14552] Could not find device with ifindex 2000 in netnsfd 11
[  785.189234][T14552] Could not find netns with fd: 2000
[  785.189685][T14552] Cannot link a netdevsim to itself
[  785.190349][T14552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).