[ 1241.653538][T11133] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1241.692082][T11131] netdevsim netdevsim587 eni587np1: renamed from eth1
[ 1245.058515][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.059337][T11125] Could not find netns with fd: 2000
[ 1245.059982][T11125] Cannot link a netdevsim to itself
[ 1245.060717][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).