[  835.118280][T14547] netdevsim netdevsim763 eni763np1: renamed from eth1
[  835.121856][T14545] netdevsim netdevsim356 eni356np1: renamed from eth0
[  835.818556][T14533] Could not find device with ifindex 2000 in netnsfd 11
[  835.820171][T14533] Could not find netns with fd: 2000
[  835.820980][T14533] Cannot link a netdevsim to itself
[  835.821967][T14533] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).