[  745.485204][T14423] netdevsim netdevsim436 eni436np1: renamed from eth0
[  745.505174][T14426] netdevsim netdevsim650 eni650np1: renamed from eth1
[  746.062540][T14411] Could not find device with ifindex 2000 in netnsfd 11
[  746.063176][T14411] Could not find netns with fd: 2000
[  746.063675][T14411] Cannot link a netdevsim to itself
[  746.064201][T14411] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).