[  796.995136][T14559] netdevsim netdevsim440 eni440np1: renamed from eth0
[  797.001562][T14561] netdevsim netdevsim547 eni547np1: renamed from eth1
[  797.742778][T14547] Could not find device with ifindex 2000 in netnsfd 11
[  797.744430][T14547] Could not find netns with fd: 2000
[  797.745131][T14547] Cannot link a netdevsim to itself
[  797.746103][T14547] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).