[ 1252.672026][T12888] netdevsim netdevsim435 eni435np1: renamed from eth0
[ 1252.771727][T12890] netdevsim netdevsim567 eni567np1: renamed from eth1
[ 1255.302202][T12876] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.303578][T12876] Could not find netns with fd: 2000
[ 1255.305175][T12876] Cannot link a netdevsim to itself
[ 1255.306995][T12876] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).