[ 1312.106737][T12890] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1312.129821][T12891] netdevsim netdevsim725 eni725np1: renamed from eth1
[ 1315.068593][T12878] Could not find device with ifindex 2000 in netnsfd 11
[ 1315.069883][T12878] Could not find netns with fd: 2000
[ 1315.071004][T12878] Cannot link a netdevsim to itself
[ 1315.072153][T12878] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).