[  745.309727][T14485] netdevsim netdevsim443 eni443np1: renamed from eth0
[  745.323532][T14487] netdevsim netdevsim600 eni600np1: renamed from eth1
[  745.870919][T14473] Could not find device with ifindex 2000 in netnsfd 11
[  745.871836][T14473] Could not find netns with fd: 2000
[  745.872306][T14473] Cannot link a netdevsim to itself
[  745.872724][T14473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).