[ 1580.656381][T26153] gre: GRE over IPv4 demultiplexer driver
[ 1581.224683][T26176] ip_gre: GRE over IPv4 tunneling driver
[ 1599.614992][T26749] ip6_gre: GRE over IPv6 tunneling driver
[ 1606.899750][T26999] ping (26999) used greatest stack depth: 23320 bytes left
[ 1612.836811][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1615.076709][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1616.932720][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1619.045705][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!