[ 1172.193694][T12777] netdevsim netdevsim345 eni345np1: renamed from eth0
[ 1172.309309][T12774] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1174.736204][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1174.737485][T12769] Could not find netns with fd: 2000
[ 1174.738432][T12769] Cannot link a netdevsim to itself
[ 1174.739677][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).