[ 1242.256815][T11143] netdevsim netdevsim516 eni516np1: renamed from eth1
[ 1242.268662][T11145] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1245.747199][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.747945][T11137] Could not find netns with fd: 2000
[ 1245.748511][T11137] Cannot link a netdevsim to itself
[ 1245.749381][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).