[ 1358.848487][T28983] gre: GRE over IPv4 demultiplexer driver
[ 1359.334212][T29006] ip_gre: GRE over IPv4 tunneling driver
[ 1375.281159][T29585] ip6_gre: GRE over IPv6 tunneling driver
[ 1378.968363][   T33] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1380.841148][T29834] ping (29834) used greatest stack depth: 23072 bytes left
[ 1385.776240][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.824244][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1389.679297][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1391.728259][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!