[ 1236.707788][T11148] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1236.812806][T11147] netdevsim netdevsim708 eni708np1: renamed from eth1
[ 1240.012179][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.012916][T11140] Could not find netns with fd: 2000
[ 1240.013733][T11140] Cannot link a netdevsim to itself
[ 1240.014438][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).