[  822.324876][T14608] netdevsim netdevsim470 eni470np1: renamed from eth0
[  822.345356][T14610] netdevsim netdevsim622 eni622np1: renamed from eth1
[  823.207237][T14596] Could not find device with ifindex 2000 in netnsfd 11
[  823.208016][T14596] Could not find netns with fd: 2000
[  823.208601][T14596] Cannot link a netdevsim to itself
[  823.209443][T14596] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).