[ 1239.699859][T11135] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1239.793244][T11134] netdevsim netdevsim549 eni549np1: renamed from eth1
[ 1243.054820][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.055580][T11127] Could not find netns with fd: 2000
[ 1243.056248][T11127] Cannot link a netdevsim to itself
[ 1243.056987][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).