[ 1238.871689][T12787] netdevsim netdevsim324 eni324np1: renamed from eth0
[ 1239.008938][T12784] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1241.460667][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.461840][T12774] Could not find netns with fd: 2000
[ 1241.463087][T12774] Cannot link a netdevsim to itself
[ 1241.464215][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).