[ 1343.926022][T12857] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1344.038594][T12856] netdevsim netdevsim275 eni275np1: renamed from eth0
[ 1346.698274][T12843] Could not find device with ifindex 2000 in netnsfd 11
[ 1346.700462][T12843] Could not find netns with fd: 2000
[ 1346.701599][T12843] Cannot link a netdevsim to itself
[ 1346.703108][T12843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).