[ 1499.184941][T16507] gre: GRE over IPv4 demultiplexer driver
[ 1499.603522][T16530] ip_gre: GRE over IPv4 tunneling driver
[ 1514.908989][T17101] ip6_gre: GRE over IPv6 tunneling driver
[ 1524.978684][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1526.963649][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1528.819649][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1530.802663][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1553.008742][T18579] ping (18579) used greatest stack depth: 22880 bytes left