[ 3191.805277][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3193.366684][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3241.263791][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 3265.723159][T23386] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3274.553999][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.354031][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.515005][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.506008][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3359.211703][T25647] ping (25647) used greatest stack depth: 22800 bytes left