[ 4693.028942][T24728] gre: GRE over IPv4 demultiplexor driver
[ 4695.277573][T24751] ip_gre: GRE over IPv4 tunneling driver
[ 4762.062513][T25322] ip6_gre: GRE over IPv6 tunneling driver
[ 4770.280690][T25383] ping (25383) used greatest stack depth: 23064 bytes left
[ 4810.736334][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4817.712306][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4823.408283][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4829.092195][T25853] ping (25853) used greatest stack depth: 22688 bytes left
[ 4830.064323][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!