[ 1237.082698][T12610] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1237.210726][T12611] netdevsim netdevsim345 eni345np1: renamed from eth0
[ 1239.837206][T12599] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.838531][T12599] Could not find netns with fd: 2000
[ 1239.839436][T12599] Cannot link a netdevsim to itself
[ 1239.840534][T12599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).