[ 1369.937597][T12815] netdevsim netdevsim484 eni484np1: renamed from eth0
[ 1370.013990][T12816] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1373.766674][T12803] Could not find device with ifindex 2000 in netnsfd 11
[ 1373.769093][T12803] Could not find netns with fd: 2000
[ 1373.771013][T12803] Cannot link a netdevsim to itself
[ 1373.773750][T12803] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).