[ 1221.115998][T11132] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1221.217926][T11133] netdevsim netdevsim331 eni331np1: renamed from eth0
[ 1224.644695][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.645380][T11125] Could not find netns with fd: 2000
[ 1224.645996][T11125] Cannot link a netdevsim to itself
[ 1224.646857][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).