[ 1232.515100][T11124] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1232.620880][T11125] netdevsim netdevsim342 eni342np1: renamed from eth0
[ 1235.904685][T11117] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.905826][T11117] Could not find netns with fd: 2000
[ 1235.906945][T11117] Cannot link a netdevsim to itself
[ 1235.908050][T11117] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).