[ 1222.346774][T11133] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 1222.448617][T11132] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1225.766215][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.766953][T11125] Could not find netns with fd: 2000
[ 1225.767535][T11125] Cannot link a netdevsim to itself
[ 1225.768228][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).