[ 1209.749061][T11136] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1209.766109][T11139] netdevsim netdevsim424 eni424np1: renamed from eth0
[ 1213.184797][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1213.185635][T11131] Could not find netns with fd: 2000
[ 1213.186277][T11131] Cannot link a netdevsim to itself
[ 1213.187036][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).