[ 1237.233710][T12944] netdevsim netdevsim616 eni616np1: renamed from eth1
[ 1237.356085][T12947] netdevsim netdevsim371 eni371np1: renamed from eth0
[ 1240.121063][T12934] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.122288][T12934] Could not find netns with fd: 2000
[ 1240.123237][T12934] Cannot link a netdevsim to itself
[ 1240.124383][T12934] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).