[ 1571.619876][T26154] gre: GRE over IPv4 demultiplexer driver
[ 1572.172388][T26177] ip_gre: GRE over IPv4 tunneling driver
[ 1590.473112][T26748] ip6_gre: GRE over IPv6 tunneling driver
[ 1599.667308][T27092] ping (27092) used greatest stack depth: 23320 bytes left
[ 1602.625819][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1604.738725][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1606.657712][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1608.770727][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!