[ 1632.891383][T22257] gre: GRE over IPv4 demultiplexer driver
[ 1633.391291][T22280] ip_gre: GRE over IPv4 tunneling driver
[ 1649.221125][T22851] ip6_gre: GRE over IPv6 tunneling driver
[ 1655.617047][T23144] ping (23144) used greatest stack depth: 23088 bytes left
[ 1656.680333][T23194] ping (23194) used greatest stack depth: 23072 bytes left
[ 1659.557418][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1661.605386][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1663.460389][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1665.508390][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!