[ 4083.428000][T28722] gre: GRE over IPv4 demultiplexer driver
[ 4085.051337][T28745] ip_gre: GRE over IPv4 tunneling driver
[ 4133.268229][T29317] ip6_gre: GRE over IPv6 tunneling driver
[ 4161.277110][T29667] ping (29667) used greatest stack depth: 23440 bytes left
[ 4166.312932][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4171.111864][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4175.335852][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4180.199855][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4252.845183][T30760] ping (30760) used greatest stack depth: 23104 bytes left