[ 1224.364181][T11142] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1224.475887][T11141] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1227.876099][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.876825][T11134] Could not find netns with fd: 2000
[ 1227.877392][T11134] Cannot link a netdevsim to itself
[ 1227.878095][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).