[ 1054.009286][T14839] gre: GRE over IPv4 demultiplexer driver
[ 1054.833560][T14870] ip_gre: GRE over IPv4 tunneling driver
[ 1074.575464][T15441] ip6_gre: GRE over IPv6 tunneling driver
[ 1081.828409][T15691] ping (15691) used greatest stack depth: 23072 bytes left
[ 1087.275505][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1089.515460][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1091.691534][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1093.995500][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!