[  784.123522][T14597] netdevsim netdevsim403 eni403np1: renamed from eth0
[  784.148340][T14600] netdevsim netdevsim586 eni586np1: renamed from eth1
[  784.735590][T14585] Could not find device with ifindex 2000 in netnsfd 11
[  784.736123][T14585] Could not find netns with fd: 2000
[  784.736484][T14585] Cannot link a netdevsim to itself
[  784.736891][T14585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).