[ 3548.970769][T17573] gre: GRE over IPv4 demultiplexor driver
[ 3551.115913][T17597] ip_gre: GRE over IPv4 tunneling driver
[ 3578.581953][T17850] ping (17850) used greatest stack depth: 23184 bytes left
[ 3614.622943][T18170] ip6_gre: GRE over IPv6 tunneling driver
[ 3658.616082][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3664.503981][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3669.559992][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3675.577011][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!