[ 1530.683601][T22222] gre: GRE over IPv4 demultiplexer driver
[ 1531.166870][T22245] ip_gre: GRE over IPv4 tunneling driver
[ 1546.856322][T22816] ip6_gre: GRE over IPv6 tunneling driver
[ 1550.382071][T22972] ping (22972) used greatest stack depth: 23504 bytes left
[ 1552.578432][  T257] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1557.289391][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1559.274369][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1561.129383][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.114377][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1604.508272][T24934] ip (24934) used greatest stack depth: 23312 bytes left