[ 1039.626715][T12763] netdevsim netdevsim420 eni420np1: renamed from eth0
[ 1039.726739][T12762] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1041.618243][T12755] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.619766][T12755] Could not find netns with fd: 2000
[ 1041.620937][T12755] Cannot link a netdevsim to itself
[ 1041.622205][T12755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).