[ 1218.502025][T11143] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1218.530226][T11142] netdevsim netdevsim602 eni602np1: renamed from eth1
[ 1221.661686][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.662368][T11135] Could not find netns with fd: 2000
[ 1221.662901][T11135] Cannot link a netdevsim to itself
[ 1221.663610][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).