[ 1296.085651][T12058] netdevsim netdevsim434 eni434np1: renamed from eth0
[ 1296.125059][T12056] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1299.742664][T12050] Could not find device with ifindex 2000 in netnsfd 11
[ 1299.743466][T12050] Could not find netns with fd: 2000
[ 1299.744077][T12050] Cannot link a netdevsim to itself
[ 1299.744783][T12050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).