[ 1238.579664][T11133] netdevsim netdevsim271 eni271np1: renamed from eth0
[ 1238.600051][T11132] netdevsim netdevsim713 eni713np1: renamed from eth1
[ 1241.860653][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.861396][T11125] Could not find netns with fd: 2000
[ 1241.862265][T11125] Cannot link a netdevsim to itself
[ 1241.863097][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).