[ 1019.107294][T12734] netdevsim netdevsim416 eni416np1: renamed from eth0
[ 1019.205173][T12683] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1021.007806][T12729] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.009897][T12729] Could not find netns with fd: 2000
[ 1021.010984][T12729] Cannot link a netdevsim to itself
[ 1021.012313][T12729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).