[ 1234.074000][T12612] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1234.195432][T12614] netdevsim netdevsim293 eni293np1: renamed from eth0
[ 1237.094848][T12601] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.096236][T12601] Could not find netns with fd: 2000
[ 1237.097139][T12601] Cannot link a netdevsim to itself
[ 1237.098216][T12601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).