[ 1273.020038][T12867] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1273.033592][T12865] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1275.733618][T12852] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.735497][T12852] Could not find netns with fd: 2000
[ 1275.736732][T12852] Cannot link a netdevsim to itself
[ 1275.737820][T12852] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).