[ 1423.193165][T12512] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1423.210533][T12513] netdevsim netdevsim530 eni530np1: renamed from eth1
[ 1427.017947][T12506] Could not find device with ifindex 2000 in netnsfd 11
[ 1427.018728][T12506] Could not find netns with fd: 2000
[ 1427.019347][T12506] Cannot link a netdevsim to itself
[ 1427.020125][T12506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).