[ 4453.628954][T26041] gre: GRE over IPv4 demultiplexor driver
[ 4455.662292][T26064] ip_gre: GRE over IPv4 tunneling driver
[ 4519.103054][T26639] ip6_gre: GRE over IPv6 tunneling driver
[ 4551.743333][T26889] ping (26889) used greatest stack depth: 23360 bytes left
[ 4571.444780][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4578.420642][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4583.796643][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4589.877616][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4687.826529][T28115] ping (28115) used greatest stack depth: 22176 bytes left