[ 1321.890244][T12746] netdevsim netdevsim403 eni403np1: renamed from eth0
[ 1321.939427][T12743] netdevsim netdevsim524 eni524np1: renamed from eth1
[ 1324.619887][T12734] Could not find device with ifindex 2000 in netnsfd 11
[ 1324.622167][T12734] Could not find netns with fd: 2000
[ 1324.623086][T12734] Cannot link a netdevsim to itself
[ 1324.624206][T12734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).