[ 1256.822515][T12777] netdevsim netdevsim490 eni490np1: renamed from eth0
[ 1256.835968][T12778] netdevsim netdevsim599 eni599np1: renamed from eth1
[ 1259.138128][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1259.139254][T12769] Could not find netns with fd: 2000
[ 1259.140059][T12769] Cannot link a netdevsim to itself
[ 1259.141154][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).