[ 1220.001974][T12493] netdevsim netdevsim590 eni590np1: renamed from eth1
[ 1220.111726][T12494] netdevsim netdevsim475 eni475np1: renamed from eth0
[ 1222.513462][T12486] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.514625][T12486] Could not find netns with fd: 2000
[ 1222.515485][T12486] Cannot link a netdevsim to itself
[ 1222.516566][T12486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).