[ 1293.286916][T12916] netdevsim netdevsim261 eni261np1: renamed from eth0
[ 1293.295255][T12919] netdevsim netdevsim740 eni740np1: renamed from eth1
[ 1296.005043][T12905] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.007238][T12905] Could not find netns with fd: 2000
[ 1296.008164][T12905] Cannot link a netdevsim to itself
[ 1296.009301][T12905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).