[ 3409.831037][T23233] gre: GRE over IPv4 demultiplexor driver
[ 3410.968706][T23256] ip_gre: GRE over IPv4 tunneling driver
[ 3446.523453][T23829] ip6_gre: GRE over IPv6 tunneling driver
[ 3450.508134][T23890] ping (23890) used greatest stack depth: 23568 bytes left
[ 3470.898422][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3473.699021][T24266] ping (24266) used greatest stack depth: 23280 bytes left
[ 3474.675329][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3478.002345][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3482.034344][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!