[ 1244.916511][T11134] netdevsim netdevsim553 eni553np1: renamed from eth1
[ 1244.949458][T11133] netdevsim netdevsim343 eni343np1: renamed from eth0
[ 1248.180604][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.181671][T11125] Could not find netns with fd: 2000
[ 1248.182562][T11125] Cannot link a netdevsim to itself
[ 1248.183612][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).