[ 1357.627001][T11017] gre: GRE over IPv4 demultiplexer driver
[ 1358.081881][T11040] ip_gre: GRE over IPv4 tunneling driver
[ 1373.454532][T11620] ip6_gre: GRE over IPv6 tunneling driver
[ 1380.675748][T11963] ping (11963) used greatest stack depth: 23344 bytes left
[ 1383.500702][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.484669][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.277664][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1389.260676][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!