[ 1238.751060][T12772] netdevsim netdevsim278 eni278np1: renamed from eth0
[ 1238.817483][T12768] netdevsim netdevsim531 eni531np1: renamed from eth1
[ 1241.353608][T12764] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.355545][T12764] Could not find netns with fd: 2000
[ 1241.356967][T12764] Cannot link a netdevsim to itself
[ 1241.358811][T12764] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).